From both birds and reptiles the class is distinguished, so far at any rate as existing forms are concerned, by the following features: the absence of a nucleus in the red corpuscles of the blood, which are nearly always circular in outline; the free suspension of the lungs in a thoracic cavity, separated from the abdominal cavity by a muscular partition, or diaphragm, which is the chief agent in inflating the lungs in respiration; the aorta, or main artery, forming but a single arch after leaving the heart, which curves over the left terminal division of the windpipe, or bronchus; the presence of more or fewer hairs on the skin and the absence of feathers; the greater development of the bridge, or commissure, connecting the two halves of the brain, which usually forms a complete corpus callosum, or displays an unusually large size of its anterior portion; the presence of a fully developed larynx at the upper end of the trachea or windpipe, accompanied by the absence of a syrinx, or expansion, near the lower end of the same; the circumstance that each half of the lower jaw (except perhaps at a very early stage of development) consists of a single piece articulating posteriorly with the squamosal element of the skull without the intervention of a separate quadrate bone; the absence of prefrontal bones in the skull; the presence of a pair of lateral knobs, or condyles (in place of a single median one), on the occipital aspect of the skull for articulation with the first vertebra; and, lastly, the very obvious character of the female being provided with milk-glands, by the secretion of which the young (produced, except in the very lowest group, alive and not by means of externally hatched eggs) are nourished for some time after birth.
The writer of Mark's gospel was "an Italian, at home both in Rome and Alexandiria"; that of Matthew's gospel "a Roman, nourished by the spirit of Seneca"; The Pauline epistles were written in the West in antagonism to the Paul of the Acts, and so on.
Somewhat apart from current controversies stood the teaching of the school of Chartres, humanistically nourished on the study of the ancients, and important as a revival of Platonism in opposition to the formalism of the Aristotelians.
A plant or animal in perfect health is more resistant to parasitical invasion than one which is ill-nourished and weakly.
He made the world of men and things his study, learned to write his mother-tongue with idiomatic conciseness, and nourished his imagination on the masterpieces of the Romans.
Maculosa, but as a rule only one fully develops in each uterus, the embryo being nourished on the yolk of the other eggs, which more or less dissolve to form a large mass of nutrient matter.
Among the smaller poets of this period may be mentioned Karpifiski (1741-1828), a writer of sentimental elegies in the style then so very much in fashion, and Franciszek Dyonizy Kniaanin (1750-1807), who nourished his muse on classical themes and wrote several plays.
They not only formed one of the bridges by which the medieval thinkers got back to Plato and Aristotle; they determined the scientific method of thirty generations, and they partly created and partly nourished the Christian mysticism of the middle ages.
It is impossible to enlarge upon it here; suffice it to say that the mystical and pietistic devotion of our own day, even in the Protestant churches, is nourished on works whose ancestry can be traced, through a series of intermediate links, to the writings of the pseudoAreopagite.
In the south they are larger and better nourished, owing to the permanent character of the pasturage, but are less vigorous because of the heat and insect plagues.
Thanked for) by prayer of Word spoken by him, food by which our blood and flesh are by change of it (into them) nourished, is both flesh and blood of Jesus so made flesh.
It follows that the very words and discourses are his flesh and blood, of which he that constantly partakes, nourished as it were upon heavenly bread, will partake of the heavenly life.
What was to be done with such a princess, whether she were to be nourished in one's bosom, above all whether it could be advisable or safe to try any diplomatic tricks upon such a lady, Knollys left for the minister to judge.
Grain of all sorts, hay, wood and the like; mixed, or arising from things immediately nourished by the ground, e.g.
Although disappointed in the hope which they had nourished until about 1490 that Maximilian himself would lead them, they had found a capable head in Bertold, elector of Mainz.
New blood of the best quality nourished and stimulated the whole body politic. Expansion and progress were the watchwords at home, and abroad it seemed as if Denmark were about to regain her former position as a great power.
As Boehme is the typical theosophist, and as modern theosophy has nourished itself almost in every case upon the study of his works, his dominating conceptions supply us with the best illustration of the general trend of this mode of thought.
Near affinity; and while more nearly related to the Marsupialia (q.v.), in which an imperfect allantoic placenta is sometimes developed, it is broadly distinguished therefrom by the invariable presence of a functional placenta by the aid of which the foetus is nourished throughout the greater portion of intra-uterine life.
Yet none the less was the new learning, through the open spirit of inquiry it nourished, its vindication of the private reason, its enthusiasm for republican antiquity, and its proud assertion of the rights of human independence, linked by a strong and subtle chain to that turbid revolt of the individual consciousness against spiritual despotism draped in fallacies and throned upon abuses.
Handled in such a way in the west of Scotland that an extreme Covenanting spirit arose, nourished on intolerable grievances, and that the nation as a whole decided against the system which had been promoted by such means.
In this hot and thirsty corner of Baluchistan, ruled by the Jam or Cham, there is a fairly wide stretch of cultivation, nourished by the alluvial detritus of the Purali and well irrigated.
The compact rational philosophy of Wolff nourished a theological rationalism which in H.
A few cases are known in which the developing embryos are nourished by a special secretion while in the brood-chamber of the mother (Cladocera, terrestrial Isopoda).
In the megasporangium, on the other hand, the four megaspores, which arise from a single mother-cell, are nourished at the expense of the other sporogenous cells and of the tapetum.
He has stated in his autobiography that through all his early years of struggle, when he was successively grocer's apprentice at Fiirstenberg, cabin-boy on the "Dorothea" bound for Venezuela, and, after her wreck, office attendant and then book-keeper in Amsterdam, he nourished a passion for the Homeric story and an ambition to become a great linguist.
But he maintained the legislation of the Valois, who placed industry in a state of strict dependency on finance, and he instituted a servitude of labor harder even than that of individuals; his great factories of soap, glass, lace, carpets and cloth had the same artificial life as that of contemporary Russian industry, created and nourished by the state.
Nature of the Food of Planls.The recognition of the fundamental identity of the living substance in animals and plants has directed attention to the manner in which plants are nourished, and especially to the exact nature of their food.
We find them to consist of representatives of the great classes of foodstuffs on which animal protoplasm is nourished, and whose presence renders seeds such valuable material for animal consumptien.
The general vegetable protoplasm has not the capacity of being nourished by inorganic substances which are denied to the living substance of the animal world.
It is certain that their protoplasm cannot be nourished by inorganic compounds of nitrogen, any more than that of animals.
He nourished the grandiose idea of driving out the hordes of Tamerlane, freeing all Russia from the Tatar yoke, and proclaiming himself emperor of the North and East.
Nourished like Frederick II.
The high-lying plains and parts of the vast Axylon furnish good pasturage, which formerly nourished countless flocks of sheep. The Romans also obtained fine horses from Phrygia.
Here it becomes encysted, and is nourished by the exudations of the fish.
The young are nourished by a substance formed by the cells which cover the spongy inter-lamellar outgrowths.
At the lower end of the indentation is the modern public square, shaded by a gigantic and picturesque plane tree, nourished by the surplus water of Pirene.
Ill-nourished, over-worked and, it may be, disappointed, he finds the struggle intolerable and so passes out into the darkness.
When the Moorish empire began to wane the brilliant intellectual gifts which they had so abundantly nourished during three or four centuries became enfeebled, and after that period they failed to produce an author comparable with those of the 7th to the 11th centuries.
These often have the form of prisms of calcite surrounded by a cuti cular meshwork; the whole is nourished and kept alive by processes, which in Crania are branched; these perforate the shell and permit the access of the coelomic fluid throughout its substance.
Or perchance he was some Achilles, who had nourished his wrath apart, and had now come to avenge or rescue his Patroclus.