. Elements of comparative zoology. Zoology. MAMMALS. 363 immigrant, the English sparrow. Among these singing birds are some which, like the crows, are not noted for. Fig. 156.—Winter Wren. From Coues. their musical abilities, and their near relatives, the birds of paradise. We can only mention, in addition, the star- lings, flycatchers, wrens, orioles, warblers, and thrushes, forms which make our woods and fields vocal and beautiful. Grade III.—MAMMALIA (Mammals). The name Mammalia is applied to all those forms which, like the mouse, cow, and man, have warm blood, a body covered with hair, and
. Elements of comparative zoology. Zoology. MAMMALS. 363 immigrant, the English sparrow. Among these singing birds are some which, like the crows, are not noted for. Fig. 156.—Winter Wren. From Coues. their musical abilities, and their near relatives, the birds of paradise. We can only mention, in addition, the star- lings, flycatchers, wrens, orioles, warblers, and thrushes, forms which make our woods and fields vocal and beautiful. Grade III.—MAMMALIA (Mammals). The name Mammalia is applied to all those forms which, like the mouse, cow, and man, have warm blood, a body covered with hair, and which bring forth living young, nourished during the early stages by milk secreted by the mother. These characters at once distinguish any mam- mal from any other animal, but other features of equal or greater importance occur. Hair occurs in the young of all mammals, and is usually found also in the adult; but in the case of the whales it is absent in the fully grown animal, and even in the young it is only found near the mouth. Hair is a product of the outer or epidermal layer of the skin. At places this layer. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1904
