First lesson in zoology : adapted for use in schools . The cropped grasspasses into the honeycomb and paunch; the manypliesserves as a strainer for the pulp, which in the fourth stom-ach is digested by the gastric juice. The prong-horn antelope {Antilocapra Americana, ) so characteristic of the Western plains, like the true * The regurgitation of the cud is probably due to a sudden andsimultaneous contraction of the diaphragm and of the abdominalmuscles, which compresses the contents of the rumen and reticulum,and drives the sodden fodder against the cardiac aperture of thestomach, whic
First lesson in zoology : adapted for use in schools . The cropped grasspasses into the honeycomb and paunch; the manypliesserves as a strainer for the pulp, which in the fourth stom-ach is digested by the gastric juice. The prong-horn antelope {Antilocapra Americana, ) so characteristic of the Western plains, like the true * The regurgitation of the cud is probably due to a sudden andsimultaneous contraction of the diaphragm and of the abdominalmuscles, which compresses the contents of the rumen and reticulum,and drives the sodden fodder against the cardiac aperture of thestomach, which opens and the cud is propelled into the mouth.— HUXLET. 256 MR8T LESSONS IN ZOOLoaT. deer, drops its horns in the autumn, though they are hol-low when shed, and with a persistent core, as in the ox andgoat. The antelope crops grass, not, like the deer, eatingleaves of trees and shrubs. It is the fleetest animal on theplains, though short-winded and not capable of running agreat distance. In its horns, hollow when cast off, and in the presence of. Fia. 254.—The Prong-horn Antelope. a gall-bladder, which is absent in the deer family, theprong-horn antelope connects the deer family with the oxfamily [Bovidce), which is represented by the sheep, goat,antelope, gazelle, and ox. The domestic sheep {Ovis arien) is not a natural species,but an association of races whose specific origin is authors regard the turf sheep of the Stone Age ofEurope as the ancestor of the domestic sheep, since forms THE BOOILE MAMMALS. mi like it are now living in the Shetland Islands and in was of small size^ with slender legs, and erect, shorthorns. This sheep was supplanted by a form with large,curved horns, the modern domestic sheep. We now come to the bison and ox. The American bison{Bison America mis) is now nearly exterminated, beingmainly restricted to two small herds on the Western is closely allied to the European bison {Bison Etiro-pcBus), the aurochs, now pre
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1894
