. An introduction to zoology : for the use of high schools . utheria, let us see in what respects thePrototheria and Metatheria differ therefiom. The Prototheria embrace only a single order—Monotremata—represented by two well-known forms, the Duck-mole {Orni-tliorliynclius paradoxus), and the Porcupine Ant-eater {Echidnaliystrix) of the Australian region (Figs. 106 and 107). Out-wardly, and in theirhabits, these creaturesdiffer very much fromeach other, the Duck-mole being an aquaticanimal, with soft un-der - fur covered bystiff over-lying bristly hairs, which prevent the wetting of thefur, wi
. An introduction to zoology : for the use of high schools . utheria, let us see in what respects thePrototheria and Metatheria differ therefiom. The Prototheria embrace only a single order—Monotremata—represented by two well-known forms, the Duck-mole {Orni-tliorliynclius paradoxus), and the Porcupine Ant-eater {Echidnaliystrix) of the Australian region (Figs. 106 and 107). Out-wardly, and in theirhabits, these creaturesdiffer very much fromeach other, the Duck-mole being an aquaticanimal, with soft un-der - fur covered bystiff over-lying bristly hairs, which prevent the wetting of thefur, with webbed feet which adapt it for swimming, and witlia homy, toothless bill like a ducks, evidently adapted to secure food in the sameway ; while, on theother hand, the Porcu-pine Ant-eater is pro-vided with stout bur-rowing feet, by the aidof which it opens theFig. 107.—Porcupine Ant-eater. (Echidna hyitrix). A ants nests, on the con-tents of which it feeds, is protected by stout spines insteadof the bristly coat of the Duck-moles, has a sharp snout. Fig. 106.—The Duck-billed Platypus.(Omithorhynchus paradoxus).
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1889
