In such cases the vascular system is said to be polycyclic in contrast with the ordinary monocyclic condition, These internal strands or cylinders are to be regarded as peculiar types of elaboration of the stele, and probably act as reservoirs for water-storage which can be drawn upon when the water supply from the root is deficient.
Alimentary canal rarely coiled, occasionally with glands which are simple caeca and sometimes serve as air reservoirs; jaws often present and an eversible pharynx.
In the upper part of the river the reservoirs are partially protected by curtains of verdure from the effects of the evaporation which makes itself so severely felt on the treeless seaboard.
His numerous writings, from 1823 onwards, were the reservoirs in which the entire energy of a life was stored.
The former is often a rich oil-gas, stored in steel reservoirs under the coaches at a pressure of six or seven atmospheres, and passed through a reducing valve to the burners; these used to be of the ordinary fish-tail type, but inverted incandescent mantles are coming into increasing use.
No specialized system of spermathecae, sperm reservoirs, and copulatory apparatus, as in Oligochaeta; development generally through a larval form; reproduction by budding also occurs.
It is carried under the lagoon to Sant' Andrea, where the reservoirs are placed.
Kitson), Leif Ericson (Anne Whitney), and Alexander reservoirs holding 2,200,000,000 gallons for immediate use, aqueducts capable of carrying 420,000,000 gallons daily, and a minimum daily supply of 173,000.000 gallons.
Excellent water is supplied to the town from the Pokfolum and Tytam reservoirs, the former containing 68 million gallons, the latter 390 millions.
The chambers were really reservoirs, filled by the water which flowed along their backs.
The top of the system of reservoirs was too heavy for the slender cross walls and pillars, only the stumps of which remain; a collapse took place, by which the porch and the W.
Of course pressure could always be obtained by the aid of special reservoirs, but to build these was not always desirable, or even practicable.
In Arizona, Mexico and Peru, reservoirs and aqueducts prove that hydrotechny was understood.
The cenotes or underground reservoirs were the important factors in locating the ruins of northern Yucatan.
Several remains of reservoirs exist; one very large one is now called Piscina di Cardito.
The former (authorized in 1905) provided for the irrigation of about 10,000 acres in Okanogan county by means of two reservoirs of an aggregate area of 650 acres, main canals and main laterals 20 m.
In the north of the borough are the main waterworks and reservoirs of the New River Company, though the waterway continues to a head in; Finsbury.
Too at 20° C. The solutions should be adjusted exactly to these densities and kept in stock bottles, from which the reservoirs of the cell should be filled up as required.
It is probable that these vesicles are not reservoirs, as was at one time thought, but form some special secretion which mixes with that of the testes.
In 1840 the freedom of mining was introduced, 2 By the law of 1906 the state has not assumed the responsibility of the construction of reservoirs for irrigation.
Near Rhayader are the large reservoirs constructed (1895) by the corporation of Birmingham in the Elan and Claerwen valleys.
This power of varying the area of the apertures by which gases enter the internal reservoirs is not advantageous to the gaseous interchangesindeed it may be directly the reverse.
2 seqq.), the Hellenic bridge and the vast rock-cut reservoirs of Eleutherna, the city walls of Itanos, Aptera and Polyrrhenia, and at Phalasarna, the rock-cut throne of a divinity, the port, and the remains of a temple.
Some of their towns were built near large underground reservoirs, called cenotes, that afforded a perennial supply.
Ohio has no large lakes within its limits, but there are several small ones on the water-parting, especially in the vicinity of Akron and Canton, and a few large reservoirs in the W.
The main supplies have been obtained from strata unbroken and comparatively undisturbed, but the occurrence of anticlinal or terrace structure, however slightly marked or limited in extent, exerts a powerful influence on the creation of reservoirs of petroleum.
The conditions of formation and accumulation of petroleum point to the fact that the principal oil fields of the world are merely reservoirs, which will become exhausted in the course of years, as in the case of the decreasing yield of certain of the American fields.
In Canada, means of transport similar to those already described are employed, but the reservoirs for storage often consist of excavations in the soft Erie clay of the oil district, the sides of which are supported by planks.
They seem to act as reservoirs into which the fluid of the tense, extended proboscis can withdraw when it is retracted, and from which the fluid can be driven out when it is wished to expand the proboscis.
Here two reservoirs of a combined capacity of 668 million gallons have been constructed, and a conduit some 36 m.
There are a number of lakes in the lowland region of the Amazon valley, but these are mainly overflow reservoirs whose areas expand and contract with the rise and fall of the great river.
There are three other distributing reservoirs in different parts of the city, and the supply, which has been augmented since the works were inaugurated in 1885, is good and ample.
As these lakes are great reservoirs and settling basins, the rivers which empty them are unusually steady in level and contain beautifully clear water.
The water supply, formerly very uncertain and unsatisfactory, is mainly from reservoirs and from condensation.
The reservoirs have a storage capacity of 8,000,000 gal.
It possesses in the sun and moon, which are in their nature almost quite pure, large reservoirs, in which the portions of light that have been rescued are stored up. In the sun dwells the primal man himself, as well as the glorious spirits which carry on the work of redemption; in the moon the mother of life is enthroned.
Manufactures.-The heavy precipitation on the elevated central and northern parts, and the hundreds of lakes and ponds which serve as reservoirs, give to the lower southern part of the state on the Merrimac and other rivers such an abundant and constant water-power that southern New Hampshire has become an important manufacturing district, and manufacturing has become the leading industry of the state.
Its gateway, Elsinore, is a medieval reproduction; other prominent features are the reservoirs, which resemble natural lakes, and a high water tower, from which there is a delightful view.
The municipality owns and operates the water-works, and the water is brought from reservoirs in the Pequanac Valley 20-30 m.
The Yakima project involved the irrigation of about 600,000 acres by means of five reservoirs of an aggregate area of 804,000 acre-feet, and was undertaken by the United States government in 1905.
In the second form, named after Robert Hare (1781-1858), professor of chemistry at the university of Pennsylvania, the liquids are drawn or aspirated up vertical tubes which have their lower ends placed in reservoirs containing the different liquids, and their upper ends connected to a common tube which is in communication with an aspirator for decreasing the pressure within the vertical tubes.
The heights to which the liquids rise, measured in each case by the distance between the surfaces in the reservoirs and in the tubes, are inversely proportional to the densities.