. Roosevelt's African trip; the story of his life, the voyage from New York to Mombasa, and the route through the heart of Africa, including the big game and other ferocious animals, strange peoples and countries found in the course of his travels . A FULL MEAL (266) AND SNAKES 267 which shall apply to all alike. \\c have already seen what a wonder-ful dilTercnce there is hetween such nianmials as the hat and the lion,the monkey and the whale, or the elephant and the mouse; but evenbetween creatures so very unlike one another as these, there is still agreat resemblance in many impo
. Roosevelt's African trip; the story of his life, the voyage from New York to Mombasa, and the route through the heart of Africa, including the big game and other ferocious animals, strange peoples and countries found in the course of his travels . A FULL MEAL (266) AND SNAKES 267 which shall apply to all alike. \\c have already seen what a wonder-ful dilTercnce there is hetween such nianmials as the hat and the lion,the monkey and the whale, or the elephant and the mouse; but evenbetween creatures so very unlike one another as these, there is still agreat resemblance in many important ways. They all, for instance, \ A. BLACK-CROCODILE possess four limbs, and I heir young, with one single exception, are allborn alive, while ihcy always breathe air itself, and never respirewater by means of gills. But in the case of the Reptiles we find no such rules as have four legs, and others none. Some lay eggs, and some pro-duce li\ing young. Some 1)reathe air, and some breathe water, so thatit is really almost impossible to draw up a description which shall be 268 CROCODILES AND SNAKES equally true of every member of the group. But there are, neverthe-less, certain rules with regard to these animals to which there is noexception, iliey are all, for instance, what we call cold-blooded;that is, their blood is not so thoroughly mingled with air in its passagethrough the lungs as is that of the mammals and the birds. Much of it,indeed, passes through the body more than once without entering thelungs at all, the heart sending only a part to be purified, and allowingthe remainder to circulate as before wit
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Keywords: ., boo, bookcentury1900, bookdecade1900, booksubjectgameandgamebirds
