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hemisphere

hemisphere

hemisphere Sentence Examples

  • You know what hemisphere you'll be in when you leave?

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  • The foot now protrudes below the mouth, and the post-oral hemisphere of the trochosphere grows more rapidly then the anterior or velar area.

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  • The foot now protrudes below the mouth, and the post-oral hemisphere of the trochosphere grows more rapidly then the anterior or velar area.

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  • The whole story points to a general distribution of flowering plants from the northern hemisphere southwards.

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  • The Glossopteris flora gradually spread to the northern hemisphere and intermingled with the later Palaeozoic flora which still persisted.

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  • As a rule the genera of the northern hemisphere differ from those of the southern.

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  • They point to cooler conditions in the northern hemisphere: palms and tropical types diminish; deciduous trees increase.

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  • In the southern hemisphere the Palaeozoic flora appears ultimately to have been profoundly modified by a lowering of temperature and the existence of glacial conditions over a wide area.

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  • In the southern hemisphere the Palaeozoic flora appears ultimately to have been profoundly modified by a lowering of temperature and the existence of glacial conditions over a wide area.

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  • Most stations in the northern hemisphere have a conspicuous maximum at midsummer with little thunder in winter.

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  • The typical genus Lilium and Fritillaria are widely distributed in the temperate regions of the northern hemisphere.

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  • A well-marked trochosphere is formed by the development of an equatorial ciliated band; and subsequently, by the disproportionate growth of the lower hemisphere, the trochosphere becomes a veliger.

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  • Fagus, starting from the northern hemisphere, has more than held its own in Europe and Asia, but has all but died out in North America, finding conditions favorable for a fresh start in Australasia.

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  • The monotypic Pringlea antiscorbutica, the Kerguelen Island cabbage, has no near ally in the southern hemisphere, but is closely related to the northern Cochlearia.

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  • Fagus, starting from the northern hemisphere, has more than held its own in Europe and Asia, but has all but died out in North America, finding conditions favorable for a fresh start in Australasia.

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  • It has a world-wide distribution, but finds its chief development in the temperate and frigid zones, especially of the northern hemisphere, and as Alpine plants.

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  • Though now on the way to extinction, Cycadeae are still widely represented in the southern hemisphere by genera which, however, have no counterpart in the Mesozoic era.

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  • Though now on the way to extinction, Cycadeae are still widely represented in the southern hemisphere by genera which, however, have no counterpart in the Mesozoic era.

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  • Don't you rule the eastern hemisphere?

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  • Is this how you train 'em in the eastern hemisphere?

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  • We seem to be the emergency points of contact for anything that goes wrong anywhere in the western hemisphere.

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  • Sofia, this is Dusty, the commander of the western hemisphere.

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  • "The kid isn't going to push anyone," said Dusty, Damian's operations director for the Western Hemisphere.

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  • Except for a few species in the New Hebrides, New Caledonia and Fiji, the luminous Elateridae are unknown in the eastern hemisphere.

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  • In a region so extensive very great varieties of climate are naturally to be expected, but it may be stated as a general law that the climate of Australia is milder than that of corresponding lands in the northern hemisphere.

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  • of Venus, but he was also expressly commissioned coox to ascertain " whether the unexplored part of the southern hemisphere be only an immense mass of water, or contain another continent."

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  • This substance is to be distinguished from the black " fulminating 1 A name misapplied in the southern hemisphere to Diomedea naelanophrys, one of the albatrosses.

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  • Cromwell wisely inclined towards France, for Spain was then a greater menace than France alike to the Protestant cause and to the growth of British trade in the western hemisphere; but as no concessions could be gained from either France or Spain, the year 1654 closed without a treaty being made with either.

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  • 6 W., would behold at one view the greatest possible quantity of land, while the opposite hemisphere would contain the greatest quantity of water.

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  • Once widely distributed in the Jurassic penod throughout the world, they are now dying out: the former is represented by the solitary maiden-hair tree of China and Japan; the latter by some ten species confined to the southern hemisphere, once perhaps their original home.

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  • The field of evolution has now been transferred to the northern hemisphere.

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  • The tertiary era opens with a climate in which during the Eocene period something like existing tropical conditions must have obtained in the northern hemisphere.

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  • The evidence which has thus been briefly summarized, points unmistakably to the conclusion that existing vegetation originated in the northern hemisphere and under climatic conditions corresponding to what would now be termed sub-tropical.

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  • Beyond the arctic circle some 200, or more than a quarter, are confined to the mountains of the northern hemisphere and of ~still more southern regions.

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  • Amongst Cycads, Zamia is confined to the New World, and amongst Conifers, Araucaria, limited to the southern hemisphere, has scarcely less antiquity; Pinus reaches as far south as Cuba and Nicaragua.

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  • Little confidence can, however, be placed in the identification of Proteaceous or, indeed, of any distinctively Australian plants in Tertiary deposits in the northern hemisphere.

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  • In the form known as Ferrell's Law this runs: " If a body moves in any direction on the earth's surface, there is a deflecting force which arises from the earth's rotation which tends to deflect it to the right in the northern hemisphere but to the left in the southern hemisphere."

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  • The forebrain forms the bulk of the whole brain, but the large size of the hemispheres is due to the greater development of the basal and lateral portions (pedunculi cerebri and corpora striata), while the pallium (the portion external to the lateral ventricles) is thin, and restricted to the median side of each hemisphere.

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  • It is also a constellation of the southern hemisphere, mentioned by Eudoxus (4th.

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  • instance, Muller places in his third "tribe" the group which he called Ampelidae, meaning thereby the peculiar forms of South America that are now considered to be more properly named Cotingidae, and herein he was clearly right, while Nitzsch, who (misled by their supposed affinity to the genus A mpelis - peculiar to the Northern Hemisphere, and a purely Passerine form) had kept them among hisPasserinae, was as clearly wrong.

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  • 'AQUILA, in astronomy, the " Eagle," sometimes named the " Vulture," a constellation of the northern hemisphere, mentioned by Eudoxus (4th cent.

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  • Its medieval importance as an intermediary of trade between Europe and the East was greatly impaired by the opening of the Red Sea route, and finally abolished by the Suez Canal; and Syria is at present important mainly for the sentimental reason that it contains the holiest places of Judaism and Christianity, and for the strategic reason that it lies on the flank of the greatest traderoute of the eastern hemisphere.

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  • hemisphere.

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  • Most of them are now restricted to widely separated countries of the southern hemisphere.

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  • As an extreme instance of the misleading character of the scale given on maps embracing a wide area we may refer to a map of a hemisphere.

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  • The scale of that map, as determined by the equator or centre meridian, we will suppose to be i: 125,000,000, while the encircling meridian indicates a scale of i: 80,000,000; and a " mean " scale, equal to the square root of the proportion which the area of the map bears to the actual area of a hemisphere, is r: 112,000,000.

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  • 32), delineated the Chinese Empire in accordance with the map based on the surveys conducted during the reign of the emperor Kanghi, with the aid of Jesuit missionaries, and published in 1718; boldly refused to believe in the existence of an Antarctic continent covering half the southern hemisphere, and always brought a sound judgment to bear upon the materials which the ever-increasing number of travellers placed at his disposal.

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  • Here we may probably find the lowest temperatures of the northern hemisphere.

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  • The ties which bound him to England were now severed, and his health was broken to such a discouraging degree that he determined to remove to another hemisphere.

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  • This main scheme is complicated in various ways: (r) by the rotation of the earth, which continually deflects currents of water or air to the right in the northern or to the left in the southern hemisphere; (2) by the conformation of the land masses (as in the case of the equatorial stream which is banked up in the Gulf of Mexico and flows out through the Straits of Florida); (3) by the varying depth of the ocean, for currents tend to flow more readily through deep than in shallow waters (as in the case of the main Atlantic drift, which flows most strongly through the deep channel between Shetland and the Faroe Is.); and (4) by the driving force of the winds acting on the surface of the sea (thus the drift of water from the equator is not N.E., as one might expect, but from E.

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  • The air, after being chilled on the plateaus during the winter, drifts, owing to its greater density, down upon the lowlands; hence in the region of the lower Lena there obtains an exceedingly low temperature throughout the winter, and Verkhoyansk, in 67°N., is the pole of cold of the eastern hemisphere.

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  • The violets comprise a large botanical genus (Viola) - in which more than 200 species have been described - found principally in temperate or mountain regions of the northern hemisphere; they also occur in mountainous districts of South America and South and Tropical Africa, while a few are found in Australasia.

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  • aconite, monkshood or wolfsbane, and embracing about 60 species, chiefly natives of the mountainous parts of the northern hemisphere.

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  • BRAZIL, a republic of South America, the largest political division of that continent and the third largest of the western hemisphere.

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  • When this is the case the gathering is carried to a block or half-open mould in which it is rolled and blown until it acquires, roughly, the shape of a hemisphere, the flat side being towards the pipe and the convexity away from it; the diameter of this hemisphere is so regulated as to be approximately that of the cylinder which is next to be formed of the viscous mass.

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  • Both of these families are distributed over the whole of the northern hemisphere, but whereas the Cervidae are absent from Africa south of the Sahara and well represented in South America, the Bovidae are unknown in the latter area, but are extraordinarily abundant in Africa.

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  • Tobacco is cultivated in localities scattered over almost the whole world, ranging as far north as Quebec, Stockholm and the southern shores of Lake Baikal in one hemisphere, and as far south as Chile, the Cape of Good Hope and Victoria in the other.

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  • Juglandaceae), natives of the temperate regions of the northern hemisphere, extending into Mexico, the West Indies and tropical South America.

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  • fritillus, a chess-board, so called from the chequered markings on the petals), a genus of hardy bulbous plants of the natural order Liliaceae, containing about 50 species widely distributed in the northern hemisphere.

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  • Gray with regard to the numbers of genera and species respectively represented in the forest trees of four regions of the northern hemisphere, the following is the case:

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  • hemisphere the 45th parallel may indicate their limit.

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  • Martens are limited to the northern hemisphere, ranging throughout the greater part of the northern temperate regions of both Old and New Worlds, and southwards in America to 35° N.

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  • STICKLEBACK, the name applied to a group of small fishes (Gastrosteus) which inhabit the fresh and brackish waters as well as the coasts of the temperate zone of the northern hemisphere.

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  • AURIGA (the "charioteer" or "waggoner"), in astronomy, a constellation of the northern hemisphere, found in the catalogues of Eudoxus (4th century B.e.) and Aratus (3rd century B.C.).

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  • - The arrangement of the water surface on the globe is far from uniform, the ocean forming 61% of the total area of the northern and 8,% of that of the southern hemisphere.

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  • and 160° E., as is usual in atlases, the eastern hemisphere, to which the Old World belongs, has 62% of its surface made up of water, while the western hemisphere, including America, has 81%.

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  • Half of this basin lies deeper than 2750 fathoms, and the greater part of it belongs to the northern hemisphere.

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  • The zones of surface temperature are arranged roughly parallel to the equator, especially in the southern hemisphere.

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  • The west-wind drifts on the poleward side carry back part of the water southward to reunite with the equatorial current, and thus there is set up an anticyclonic circulation of water between io and 40° in each hemisphere, the movement of the water corresponding very closely with that of the wind.

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  • Further, all water particles when moving undergo a deviation from a straight path due to the forces set up by the rotation of the earth deflecting them towards the right as they move in the northern hemisphere and towards the left in the southern.

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  • The current set up by the grip of the wind sweeping over the surface is deflected by the earth's rotation about 45° to the right of the direction of the wind in the northern hemisphere and to the left in the southern.

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  • The existence of a layer of water of low salinity at a depth of 500 fathoms in the tropical oceans of the southern hemisphere is to be referred to this action of the melting ice of the Antarctic regions.

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  • Mesozoic coals are more abundant in the southern hemisphere, while Tertiary coals seem to be tolerably uniformly distributed irrespective of latitude.

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  • In the southern countries coal-production is insignificant compared with that in the northern hemisphere.

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  • Occupying 135 degrees of latitude, living on the shores of frozen or of tropical waters; at altitudes varying from sea-level to several thousands of feet; in forests, grassy prairies or deserts; here starved, there in plenty; with a night here of six months' duration, there twelve hours long; here among health-giving winds, and there cursed with malaria - this brown man became, in different culture provinces, brunette or black, tall or short, long-headed or short-headed, and developed on his own hemisphere variations from an average type.

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  • In the whole hemisphere there were not over ten million souls.

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  • It is necessary to use geographical terms in the case of California and the North Pacific, the Caucasus or cloaca gentium of the western hemisphere, where were pocketed forty out of one hundred or more families of native tribes.

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  • This composite art reached its climax in Peru, the llama wool affording the finest staple on the whole hemisphere.

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  • In all parts of the western hemisphere society was organized on cognate kinship, real or artificial, the unit being the clan.

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  • The archaeology of the western hemisphere should be divided as follows: (z) that of Indian activities; (2) the question of man's existence in a prior geological period.

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  • Two generations later, Richard Crashaw caught up the universal sentiment, when, in his lines "Upon Bishop Andrewes' Picture before his Sermons," he exclaims: "This reverend shadow cast that setting sun, Whose glorious course through our horizon run, Left the dim face of this dull hemisphere, All one great eye, all drown'd in one great teare."

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  • The largest genus, Sedum, contains about 140 species in the temperate and colder parts of the northern hemisphere; eight occur wild in Britain, including S.

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  • The centroid of a hemisphere of radius R, for instance, is the same as the centroid of particles of masses 0, 7rR 2, and 4.

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  • hemisphere was published in 1832 at Hamburg, and in 1846-52 he published his great catalogue of 12,000 stars.

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  • sphere are necessarily circles; if the cutting plane contains the centre, the section is said to be "meridional," the curve of intersection is a "great circle," and the solid cut off a "hemisphere."

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  • The herring inhabiting the corresponding latitudes of the North Pacific is another species, but most closely allied to that of the eastern hemisphere.

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  • LILY,' Lilium, the typical genus of the botanical order Liliaceae, embracing nearly eighty species, all confined to the northern hemisphere, and widely distributed throughout the north temperate zone.

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  • On these the brown bear (Ursus arctus, - tipKros of Aristotle) is found in one or other of its varieties all over the temperate and north temperate regions of the eastern hemisphere, from Spain to Japan.

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  • URSA MAJOR (" THE GREAT BEAR "), in astronomy, a constellation of the northern hemisphere, supposed to be referred to in the Old Testament (Job ix.

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  • Ursae majoris is perhaps the best known double star in the northern hemisphere, the larger component is itself a spectroscopic double.

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  • In the southern hemisphere there is a transition to the low-pressure belt encircling the Southern Ocean, in which westerly and north-westerly winds continue all the year round.

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  • As a group they are cosmopolitan, their northern limit approaching that of the permanently frozen subsoil, while in the southern hemisphere the southern point of Patagonia forms the farthest limit.

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  • On the completion of this, Professor Pickering decided to undertake the survey of the southern hemisphere.

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  • With Professor Pickering's usual comprehensiveness, the inquiry was so arranged as to cover the whole sky; and with four telescopes - two at Cambridge for the northern hemisphere, and two at Arequipa in Peru for the southern - to which a fine 24-in.

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  • We observe the contemporaneous and largely independent radiations of the hoofed animals in South America, in Africa and in the great ancient continent comprising Europe, Asia and North America; we observe the Cretaceous radiation of hoofed animals in the northern hemisphere, followed by a second radiation of hoofed animals in the same region, in some cases one surviving spur of an old radiation becoming the centre of a new one.

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  • Successive discoveries have revealed certain grand centres, such as (1) the marsupial radiation of Australia, (2) the littleknown Cretaceous radiation of placental mammals in the northern hemisphere, which was probably connected in part with the peopling of South America, (3) the Tertiary placental radiation in the northern hemisphere, partly connected with Africa, (4) the main Tertiary radiation in South America.

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  • It is displayed to-day among the antelopes and to a limited degree among the zebras and rhinoceroses of Africa, a continent which exhibits a survival of the Miocene and Pliocene conditions of the northern hemisphere.

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  • A rotifer may be regarded as typically a hemisphere or half an oblate spheroid or paraboloid with a mouth somewhere on the flat end ("disk" or "corona"), which bears a usually double ciliated ring, the outer zone the "cingulum," and inner the "trochus".

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  • That these animals were widely distributed in former times is proved by their occurrence at the present day in palaeozoic fossiliferous strata both of the northern hemisphere and of Australia; and despite the fact that their remains have not been found in rocks of the Mesozoic or Kainozoic epochs, it was conceived to be possible that living specimens might be dredged from the sea-floor during the exploration of the ocean depths undertaken by the "Challenger" expedition.

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  • hemisphere, and the last is especially American, though perhaps a straggler to Europe.

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  • aequator, from aequare to make equal), in geography, that great circle of the earth, equidistant from the two poles, which divides the northern from the southern hemisphere and lies in a plane perpendicular to the axis of the earth; this is termed the "geographical" or "terrestrial equator."

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  • FULMAR, from the Gaelic Fulmaire, the Fulmarus glacialis of modern ornithologists, one of the largest of the petrels (Procellariidae) of the northern hemisphere, being about the size of the common gull (Larus canus) and not unlike it in general coloration, except thatits primaries are grey instead of black.

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  • Canes Venatici ("The Hounds," or "the greyhounds"), in astronomy, a constellation of the northern hemisphere named by Hevelius in 1690, who compiled it from the stars between the older asterisms Ursa Major, Bodtes and Coma Berenices.

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  • As growth proceeds, one hemisphere remains relatively small, the other elongates and enlarges.

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  • The Pan-American Exposition, in celebration of the progress of the Western hemisphere in the nineteenth century, was held there (May 1-November 2, 1901).

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  • The general direction of these disturbances in the northern hemisphere is an attraction of the north-seeking end of the needle; in the southern hemisphere, its repulsion.

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  • Taken as a whole, the finches, concerning which no reasonable doubt can exist, are not only little birds with a hard bill, adapted in most cases for shelling and eating the various seeds that form the chief portion of their diet when adult, but they appear to be mainly forms which predominate in and are highly characteristic of the Palaearctic Region; moreover, though some are found elsewhere on the globe, the existence of but very few in the Notogaean hemisphere can as yet be regarded as certain.

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  • hemisphere, of which they constitute the sub-family Dicotylinae (or Tagassuinae).

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  • The common bittern (Botaurus stellaris) is nearly as large as the heron, and is widely distributed over the eastern hemisphere.

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  • In the Western Hemisphere we may distinguish the following: (I) Early Roman Missions began with the discovery of the continent and practically ceased in the middle of the 18th century.

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  • The East Indian orchid house takes in those species which are found in the warm parts of the eastern hemisphere, as well as those from the hottest parts of the western, and its temperature should range from about 70° to 80° during the summer or growing season and from 65° to 70° during winter.

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  • None of these movements appears to have affected the southern hemisphere.

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  • Thus we have in the northern hemisphere the Sahara desert, the deserts of Arabia, Iran, Turan, Takla Makan and Gobi, and the desert regions of the Great Basin in North America; and in the southern hemisphere the Kalahari desert in Africa, the desert of Australia, and the desert of Atacama in South America.

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  • The southern hemisphere ranks lightly in the matter of consumption, the only other country worth mentioning there besides the Australasian and Cape dependencies being Argentina.

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  • In the northern hemisphere (excluding the races who consume their own produce) the material consumption of tea is in regions lying 40° N.

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  • In the southern hemisphere there is comparatively little inhabited land in high latitudes and observational data are few; thus little is known as to how the frequency varies with latitude and longitude.

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  • Even in the northern hemisphere there are large areas in the Arctic about which little is known.

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  • Fritz (2) has, however, drawn a series of curves which are believed to give a good general idea of the relative frequency of aurora throughout the northern hemisphere.

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  • In the northern hemisphere to the south of the zone of greatest frequency, the part of the sky in which aurora most generally appears is the magnetic north.

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  • This seems the more common direction in the northern hemisphere, at least for stations to the south of the zone of maximum frequency, but a considerable preponderance of movements towards the north was observed in Franz Joseph Land by the Austrian Expedition of 1872-1874.

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  • All the longest routes thus formed traverse late in their course the cortex of the cerebral hemisphere.

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  • The organ seems also to receive many fibres from the parietal region of the cerebral hemisphere.

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  • From the organ there emerge fibres which cross to the opposite red nucleus, and directly or indirectly reach the thalamic region of the crossed hemisphere.

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  • On the other hand, congenital defect amounting to absence of one cerebellar hemisphere has been found to occasion practically no symptoms whatsoever.

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  • Heidenhain's view is that the cortical centres of the hemisphere are inhibited by peculiar conditions attaching to the initiatory sense stimuli.

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  • The family is unrepresented in the western hemisphere.

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  • In spite of the existence of a number of more or less well-marked geographical forms, reindeer from all parts of the northern hemisphere present such a marked similarity that it seems preferable to regard them as all belonging to a single widespread species, of which most of the characters will be the same as those of the genus.

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  • ARCTURUS, the brightest star in the northern hemisphere, situated in the constellation Bootes in an almost direct line with the tail Q' and rt) of the constellation Ursa Major (Great Bear); hence its derivation from the Gr.

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  • It is cosmopolitan in distribution, but the majority of the species are confined to the temperate and colder parts of the northern hemisphere and many are arctic or alpine.

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  • Corona Borealis, also known as the Corona septentrionalis, and the Northern Crown or Garland, is a constellation of the Northern hemisphere, mentioned by Eudoxus (4th cent.

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  • Corona Australis, also known as Corona meridionalis, or the Southern Crown, is a constellation of the Southern hemisphere, mentioned by Eudoxus and Aratus.

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  • A typical form is the hemisphere, from which many modified forms are derived.

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  • If a circular disk is wrought into a hemisphere and the attempt is made to hammer the edges round, crumpling must occur.

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  • His detection of considerable errors in the tables then in use led him to the conclusion that a more accurate ascertainment of the places of the fixed stars was indispensable to the progress of astronomy; and, finding that Flamsteed and Hevelius had already undertaken to catalogue those visible in northern latitudes, he assumed to himself the task of making observations in the southern hemisphere.

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  • This is part of the great temperate flora which, with locally individualized species, but often with identical genera, ranges over the whole of the temperate zone of the northern hemisphere.

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  • "If a body moves in any direction on the earth's surface, there is a deflecting force arising from the earth's rotation, which deflects it to the right in the northern hemisphere and to the left in the southern hemisphere."

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  • These are zone for zone very nearly equal; the slight excess of stars in the southern hemisphere perhaps implies that the sun is a little north of the central position.

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  • (WolfRayet) stars; in their case the condensation into the galactic regions is complete, for of the 91 known stars of this type, 70 are actually in the Milky Way and the remaining 21 are in the Magellanic Clouds (two large clusters in the southern hemisphere, which resemble the Milky Way in several respects).

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  • They are called vernal and autumnal respectively, from the relation of the corresponding times to the seasons of the northern hemisphere.

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  • Again, the mass-centre of a uniform solid right circular cone divides the axis in the ratio 3: I; that of a uniform solid hemisphere divides the axial radius in the ratio 3: 5.

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  • Thus, the higher densities are found in the eastern hemisphere, within the zone in which arose the great civilizations of the world, or, roughly speaking, between north parallels 25 and 40 towards the east, and 25 and 55 in the west.

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  • richardsoni, a name that correctly applies only to whole-coloured examples, for this species too is dimorphic. Even its proper English name 4 is disputable, but it has been frequently called the Arctic gull or Arctic skua, and it is by far the commonest of the genus in Britain, and perhaps throughout the northern hemisphere.

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  • In the history of the Renaissance, Spain and Portugal represent the exploration of the ocean and the colonization of the other Explora- hemisphere.

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  • The gradual elevation of the whole of northern Russia and Siberia, and the consequent draining of the marshes, is one of these deeper-seated, ampler causes; another is the desiccation of the lakes all over the northern hemisphere.

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  • In general terms it may be said that the extremes of temperature are not so great as in corresponding latitudes of the northern hemisphere, because of the greater expanse of water in comparison with the land areas, the summers being cooler and the winters warmer.

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  • The facilities for the shipment of coal are excellent, and Newcastle is the chief coaling port in the southern hemisphere.

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  • Let us measure it in the case of the spherical soap-bubble by considering the stress exerted by one hemisphere of the bubble on the other, across the circumference of a great circle.

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  • SAGITTA ("the arrow" or "dart"), in astronomy, a constellation of the northern hemisphere, mentioned by Eudoxus (4th century B.C.) and Aratus (3rd century B.C.), and catalogued by Ptolemy, Tycho Brahe and Hevelius, who each described 5 stars.

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  • The most important mineral in New South Wales is coal, of which the state has probably a larger available supply than any other country in the southern hemisphere.

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  • There is no difference between the seasons, which, though the islands belong to the northern hemisphere, have the highest' temperature in January and the lowest in July.

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  • is a mountain grass of the northern hemisphere and found also in the Arctic region.

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  • In tropical regions, where Leguminosae is the leading order, grasses closely follow as the second, whilst in the warm and temperate regions of the northern hemisphere, in which Compositae takes the lead, Gramineae again occupies the second position.

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  • The only countries where the order plays a distinctly subordinate part are some extra-tropical regions of the southern hemisphere, Australia, the Cape, Chili, &c. The proportion of graminaceous species to the whole phanerogamic flora in different countries is found to vary from nearly 4th in the Arctic regions to about 2 nth at the Cape; in the British Isles it is about y2th.

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  • No tribe is confined to one hemisphere and no large genus to any one floral region; facts which indicate that the separation of the tribes goes back to very ancient times.

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  • The best known and by far the largest division of the Gymnosperms is that of the cone-bearing trees (pines, firs, cedars, larches, &c.), which play a prominent part in the vegetation of the present day, especially in the higher latitudes of the northern hemisphere; certain members of this class are of considerable antiquity, but the conifers as a whole are still vigorous and show but little sign of decadence.

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  • Certain species of the southern hemisphere genus Dacrydium afford particularly striking instances of heterophylly, e.g.

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  • The chief home of the Coniferales is in the northern hemisphere, where certain species occasionally extend into the Arctic circle and penetrate beyond the northern limit of dicotyledon ous trees.

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  • Although taller than the Negritoes of the eastern hemisphere (4 ft.

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  • The chief agents in determining the climate are the vast masses of water in the southern hemisphere and the elevation of the land.

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  • He therefore insisted that England should be required not merely to pay damages for the havoc wrought by the " Alabama " and other cruisers fitted out for Confederate service in her ports, but that, for " that other damage, immense and infinite, caused by the prolongation of the war," the withdrawal of the British flag from this hemisphere could " not be abandoned as a condition or preliminary of such a settlement as is now proposed."

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  • Thus, the velocity across a little hemisphere of sand only z in.

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  • This process, in effect, leaves each orifice surrounded by a hemisphere of coarse sand across which the water flows with comparative freedom from a larger hemisphere where the corresponding velocity is very slow, and where the presence of finer and more obstructive particles is therefore unimportant.

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  • The junipers, of which there are twenty-five or more species, are evergreen bushy shrubs or low columnar trees, with a more or less aromatic odour, inhabiting the whole of the cold and temperate northern hemisphere, but attaining their maximum development in the Mediterranean region, the North Atlantic islands, and the eastern United States.

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  • It is not till the early Eocene that mammals become a dominant type in the northern hemisphere.

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  • The remaining marsupials (namely the families Didelphyidae and Epanorthidae) are American, and mainly South and Central American at the present day; although during the early part of the Tertiary period representatives of the first-named family ranged all over the northern hemisphere.

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  • The beavers (Castoridae) are restricted to the northern hemisphere, whereas the dormice (Gliridae) and the mole-rats (Spalacidae) are exclusively Old World forms, the latter only entering the north of Africa, in which continent the former are largely developed.

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  • Lastly, among the Duplicidentata, the picas (Ochotonidae or Lagomyidae) form a group confined to the colder or mountainous regions of the northern hemisphere.

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  • Its original home was probably in the northern hemisphere; and it has no representatives in Madagascar.

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  • The dogtribe (Canidae), on the other hand, are, with the exception of Madagascar, an almost cosmopolitan group. Their place of origin was, however, almost entirely in the northern hemisphere, and not improbably in some part of the Old World, where they gave rise to the bears (Ursidae).

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  • The latter are abundant throughout the northern hemisphere, and have even succeeded in penetrating into South America, but, with the exception of the Mediterranean zone, have never succeeded in entering Africa, and are therefore of course unknown in Madagascar.

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  • The birthplace of the group was evidently in the northern hemisphere - possibly in east Central Asia.

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  • Elsewhere they occur in South America and throughout a large part of the northern hemisphere, where they appear to have survived in India to the later Oligocene or Miocene.

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  • So far as is at present known, the earliest and most primitive group, the Condylarthra, is a northern one, but whether first developed in the eastern or the western hemisphere there is no sufficient evidence.

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  • The now waning group of Perissodactyla would appear to have originally been a northern one, as all the three existing families, rhinoceroses (Rhinocerotidae), tapirs (Tapiridae), and horses (Equidae), are well represented in the Tertiaries of both halves of the northern hemisphere.

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  • The camels (Tylopoda) certainly originated in the northern hemisphere, but although their birthplace has been confidently claimed for North America, an equal, if not stronger, claim may be made on the part of Central Asia.

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  • It is, however, noteworthy that extinct lemurs occur in the Tertiary deposits of both halves of the northern hemisphere - a fact which has induced Dr J.

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  • A few, on the other hand, have a very restricted range, the Greenland right whale (Balaena mysticetus) being, for instance, limited to the zone of the northern circumpolar ice, while no corresponding species occurs in the southern hemisphere.

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  • In fact, the only known exception is the case of a colony of elephant-seals (Macrorhinus leoninus), whose general range is in the southern hemisphere, inhabiting the coast of California.

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  • In the western hemisphere wheat was not known till the 16th century.

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  • As might be anticipated from the cultivation of the plant from time immemorial and from its wide diffusion throughout the eastern hemisphere, the varieties of wheat - that is, of T.

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  • As we conceive of the sky, it does not consist of an entire sphere but only as a hemisphere bounded by the horizon.

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  • The two parts of this sphere are the visible hemisphere, which is above the horizon, and the invisible, which is below it.

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  • On the side of this sphere opposite to the North Celestial is the South Pole, invisible in the Northern Terrestrial Hemisphere but visible in the Southern one.

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  • Sir John Herschel continued in the Sir John northern, and extended to the southern hemisphere, Herschel.

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  • The southern hemisphere was subsequently reviewed on a similar th plicate plan by E.

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  • One is the existence of dark and bright regions, irregular in form, on its surface; the other is the complete illumination of the lunar disk when seen as a crescent, a faint light revealing the dark hemisphere.

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  • Ricci, seeing their dissatisfaction, set about constructing a map of the hemisphere on a great scale, so adjusted that China, with its subject states, filled the central Xxiii.

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  • In the accompanying cut we have endeavoured to portray this map. The projection adopted is a perspective of the hemisphere as viewed from a point at the distance of one diameter from the surface, and situated on the production of.

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  • With a vertex much more distant the desired effect would be impaired, and with one nearer neither of the poles would be seen, whilst the exaggeration of China would have been too gross for a professed representation of the hemisphere.

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  • Physical Geography The main structural lines of the continent show both the east-to-west direction characteristic, at least in the eastern hemisphere, of the more northern parts of the world, and the north-to-south direction seen in the southern peninsulas.

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  • Climate,-In accordance with its southerly position and the variety in its superficial configuration, Spain presents within its borders examples of every kind of climate to be found on the northern hemisphere, with the sole exception of that of the torrid zone.

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  • The months of February and March are therefore best for the evening observations in the northern hemisphere, but the light can generally be seen from January until April.

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  • The Glossopteris flora of India and the southern hemisphere, the age of which has been disputed, but is now regarded as for the most part Permo-Carboniferous, is, however, dealt with in the succeeding section, in connexion with the Mesozoic floras.

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  • The Permian, so far at least as its lower beds are concerned, shows little change from the Stephanian; Conifers of the Walchia type are especially characteristic. The remarkable Permo-Carboniferous flora of India and the southern hemisphere is described in the next section of this article.

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  • The sketch given above extends, for the later periods, to the vegetation of the northern hemisphere only.

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  • In Australia, South America and South Africa a few plants have been found which agree closely with Lower Carboniferous types of the northern hemisphere.

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  • It is, in short, clear that the Culm flora, as we know it in the northern hemisphere, existed in the extreme south, and it is probable that during the earlier part of the Carboniferous period the vegetation of the world was uniform in character.

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  • The extraordinary abundance of Glossopteris in PermoCarboniferous rocks of Australia, and in strata of the same age in India and South Africa, gave rise to the term " Glossopteris flora for the assemblage of plants obtained from southern hemisphere rocks overlying beds containing Devonian and Lower Carboniferous fossils.

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  • This flora appears to have abruptly succeeded an older flora in Australia and elsewhere, which was precisely similar to that of Lower Carboniferous age in the northern hemisphere.

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  • Some examples of this genus, described by Etheridge from Permo-Carboniferous beds in New South Wales, differ in some respects from the ordinary form, and bear a superficial resemblance to the Equise nected with a lowering of temperature and the prevalence of glacial conditions over a wide area in India and the southern hemisphere.

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  • This continental area has been described as " Gondwana Land," a tract of enormous extent occupying an area, part of which has since given place to a southern ocean, while detached masses persist as portions of more modern continents, which have enabled us to read in their fossil plants and ice-scratched boulders the records of a lost continent in which the Mesozoic vegetation of the northern hemisphere had its birth.

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  • The genera Lepidodendron, Sigillaria, Stigmaria, or Calamites, which played so great a share in the vegetation of the same age in the northern hemisphere, have not been recognized among the Palaeozoic forms of India, but examples of Sigillaria, Lepidodendron and Bothrodendron are known to have existed in South Africa in the Permo-Carboniferous era.

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  • While a few similar or even identical types may be recognized in both floras, there can be no doubt that, during a considerable period subsequent to that represented by the Lower Carboniferous or Culm rocks, there existed two distinct floras, one of which had its headquarters in the northern hemisphere, while the other flourished in a vast continental area in the south.

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  • hemisphere facies, in the Zambesi district VII.

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  • The Coal-bearing strata which occupy a considerable area in China (Map A, II.), contain abundant samples of a vegetation which appears to have agreed in their main features with the Permo-Carboniferous floras of the northern hemisphere.

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  • Amalitzky found in beds of Upper Permian age in the province of Vologda (Russia) (Map A, V.) species of Glossopteris and Naeggerathiopsis typical members of the Glossopteris flora, associated with species of the ferns Taeniopteris, Callipteris and Sphenopteris, a striking instance of a commingling in the far north of the northern hemisphere Permian species with migrants from " Gondwana Land."

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  • The Permo - Carboniferous beds of South Africa, India and Australia are succeeded by other plant-bearing strata, containing numerous species agreeing closely with members of the Rhaetic and Jurassic floras of the northern hemisphere.

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  • Having seen how the Glossopteris flora of the south gradually spread to the north in the Permian period, we may now take a brief survey of the succession of floras in the northern hemisphere, which have left traces in Mesozoic rocks of North America, Europe and Asia.

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  • The Bunter sandstones of the Vosges have afforded several species of Lower Triassic plants; these include the Equisetaceous genus Schizoneura - a member also of the Glossopteris flora - bipinnate fern fronds referred to the genus Anomopteris, another fern, described originally as Neuropteris grandifolia, which agrees very closely with a southern hemisphere type (Neuropteridium validum, fig.

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  • There is, however, a marked difference, as regards the floras as a whole, between the uppermost Palaeozoic flora of the northern hemisphere and such species as have been recorded from Lower Triassic beds.

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  • From the southern Hemisphere, on the other hand, we know of one or two fragments only which can reasonably be referred to the Matonineae (Map B, M 5), a fact which may point to a northern origin for this family with its two surviving species almost confined to the Malayan region.

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  • In the succeeding Triassic system Cycadean Australia, Japan, China and elsewhere in the southern hemisphere, MAP B.

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  • In the southern hemisphere the Glossopteris flora succeeded a Lower Carboniferous vegetation with a rapidity similar to that which marked the passage in the north from Palaeozoic to Mesozoic floras.

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  • This apparently rapid alteration in the character of the southern vegetation took place at an earlier period than that which witnessed the transformation in the northern hemisphere.

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  • The appearance of a new type of vegetation in India and the southern hemisphere was probably connected with a widespread lowering of temperature, to which reference has already been made.

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  • The difference between the Glossopteris flora and those which have left traces in the Upper Gondwana rocks of India, in the Wianamatta and Hawkesbury beds of Australia, and in the Stormberg series of South Africa is much less marked than that between the PermoCarboniferous flora of the northern hemisphere and the succeeding Mesozoic vegetation.

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  • To return to the northern hemisphere, it is clear that the Wealden flora, as represented by plants recorded from England, France, Belgium, Portugal, Russia, Germany and other European regions, as also from Japan and elsewhere, carries on, with minor differences, the facies of the older Jurassic floras.

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  • Unfortunately, our knowledge of the later floras in the southern hemisphere is very incomplete, but a similar transformation appears to have characterized the vegetation south of the equator.

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  • We cannot yet say, however, that the deposits are exactly contemporaneous, and the great climatic variations that have taken place in the northern hemisphere during the existence of our living flora should make us hesitate to correlate too minutely from the evidence of plants alone.

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  • He considers the flora to be the most tropical of any that has so far been studied in the northern hemisphere.

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  • At present this order is confined to the northern hemisphere, with the exception of two Spelerpes from the Andes of Ecuador and Peru, and a Plethodon from Argentina.

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  • Constellations of the Northern Hemisphere >>

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  • Mesohippus and Miohippus are connected with the earliest and most primitive mammal which it is possible to include in the family Equidae by means of Epihippus of the Uinta or Upper Eocene of North America, and Pachynolophus, or Orohippus, of the Middle and Lower Eocene of both halves of the northern hemisphere.

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  • Dustin, the White God's chief assassin and commander of the western hemisphere, awoke in a cold sweat with his heart racing.

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  • It was a comforting combination of the symbols belonging to his adopted brothers: the sun worn by Damian, the White God, and the star worn by Jule, the expelled immortal and eastern hemisphere's commander.

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  • Darian watched the confused Grey God leave, never imagining he'd deal daily with this type of drama in addition to managing the battles against the vamps in the western hemisphere.

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  • We seem to be the emergency points of contact for anything that goes wrong anywhere in the western hemisphere.

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  • With all the Guardians in the western hemisphere and god-powers granted him by Damian, he'd been the weak link.

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  • The phone beeped, and Dusty glanced at it, not surprised to see his other brother and Damian's commander of the eastern hemisphere, Jule, on the other line.

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  • As the leader of the Eastern Hemisphere, he wasn't about to let his Guardians know he was worried.

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  • Jenn was Dusty's most senior female Guardian, the captain of the Western Hemisphere's spy network.

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  • "Does Dusty …" "I'll let him know," Damian said, well aware of how prickly the assassin got whenever Damian interfered with how he ran the Western Hemisphere.

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  • She crept near enough to make out the second man's features and was surprised to see the White God's commander of the Eastern Hemisphere, Jule.

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  • His regional commanders were the only two people in the world who would challenge him: the cold master assassin in charge of the western hemisphere and the warm master negotiator in charge of the eastern hemisphere.

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  • Jule, the regional commander for the eastern hemisphere and the oldest of the three of them by far, had come from the same world as the Watchers but refused to talk about it.

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  • Jule, the regional commander of the eastern hemisphere, demanded with a laugh.

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  • Most Guardians did, including Dusty, who personally oversaw every operation in his hemisphere.

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  • Sofia, this is Dusty, the commander of the western hemisphere.

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  • Dusty was a stickler for formality from his men, while Jule's hemisphere was far more relaxed.

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  • Don't you rule the eastern hemisphere?

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  • "We found the traitors in your hemisphere," she said, looking away.

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  • Is this how you train 'em in the eastern hemisphere?

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  • You know what hemisphere you'll be in when you leave?

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  • As the chief of the spies in this hemisphere, she'd been in a lot of really bad situations with nothing but her charm and mind control to keep her safe.

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  • The caller was none other than Dusty, the leader of the White God's vampire killing operations for the Western Hemisphere.

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  • With chiseled features and cold eyes, he looked every bit the man who had headed up Damian's assassination corps before the promotion to the leader of all operations in the Western Hemisphere.

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  • His wife, Sofi, is in the ring with Dusty, who heads up the vampire fighting operations for the Western Hemisphere, Jenn said quietly to Jessi.

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  • "The kid isn't going to push anyone," said Dusty, Damian's operations director for the Western Hemisphere.

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  • And Figure 18 shows that GW, represented by a northern hemisphere temperature anomaly, is an important factor in the high annual CET values since 1988.

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  • The ship needs to go due south in the northern hemisphere.

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