. Die American Natural History; eine Stiftung für nützliches Wissen der höheren Tiere von Nordamerika. Natural History. Kapitel XIV der eierlegende Säugetiere tlONOTREMATA "Es gibt mehr Dinge im Himmel und auf Erden, Horatio, als träumte davon in ihrer Philosophie." Es gibt zwei Familien von Säugetieren die Mitglieder von denen Eier legen, aus denen ihre Jungen wie die der Vögel geschlüpft sind. Sie bilden den niedrigsten Ordnung der Säugetiere, und in einer Hinsicht diese Gruppe bildet ein gutes Bindeglied zwischen Säugetieren und Vögeln: BESTELLEN J FAMILIEN. Ente - BiLL, MONOTREMATA: Egg-Layers. {Ameisenigel,

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. The American natural history; a foundation of useful knowledge of the higher animals of North America. Natural history. CHAPTER XIV THE ORDER OF EGG-LAYING MAMMALS tlONOTREMATA " There are more things in heaven and earth, Horatio, Than are dreamt of in your philosophy." There are two Families of mammals the members of which lay eggs, ' from which their young are hatched as are those of birds. They form the lowest order of mammals, and in one respect this group forms a good connecting link between mammals and birds: ORDER J FAMILIES. DuCK-BiLL, MONOTREMATA: Egg-Layers. { Echidnas, OR-Nl-THO-RHYN'Cm-DAE, TA CH- Y-GLOS'SI-DAB, The Ornithorhjaichus ) or Duck-Bill. ) Fi-'e-Toed Echidna. / Three-Toed Echidna. The Platypus, or Duck-Bill, ' is found only in Australia, —a land of queer things. Not only is it bird-hke in laying eggs, but it also possesses webbed feet, and a fiat, duck-like bill, from which it derives one of its popular names. The beak is of black horn, and the food is crushed be- tween the cross-ridged plates of the lower jaw and the roof of the mouth. This animal is about as large as a prairie-"dog, " and its body is similarly shaped; but there the resemblance ends abruptly. Its front feet are webbed rjuite beyond the ends of the toes, and in digging, the outer edge of the web is rolled l:)ack underneath the foot, to expose the claws. The hind feet are webbed only to the base of the claws, and each is provided with a strong, sharp, spur an inch long, which is .said to be connected with a poison gland. The tail is broad and flattened, well haired on the upper side, and almost naked below. The hair of the Platypus is dark brown in color. The outer coat is stiff and harsh outside, but the ' Or-ni-tho-rhyn'chus an-a-ti'nus. 167. THE PL.^TYPUS, OR DUCK-BILL. inner is fine and soft. The length of head and body is 1.3 inches, tail, .5 inches. The habits of the Duck-Bill are very similar to those of our old friend the muskrat. It in- habits

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• bookcentury1900
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