The animals and man; an elementary textbook of zoology and human physiology (1911) (14598351057)

Identifier: animansmanelemen00kell (find matches)
Title: The animans and man; an elementary textbook of zoology and human physiology
Year: 1911 (1910s)
Authors: Kellogg, Vernon L. (Vernon Lyman), 1867-1937 McCracken, Mary Isabel
Subjects: Zoology Physiology
Publisher: New York, H. Holt and company
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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al plains, are rodents foundonly in North America. They all live underground,making extensive galleries and feeding chiefly on bulbousroots. The mice and rats constitute a large family ofwhich the house-mice and rats, the various field-mice, thewood-rat (Neotoma pennsylvanicd) and the muskrat (Fiberzibethicus) are familiar representatives. The common brownrat (Mus decumanus) was introduced into this countryfrom Europe about 1775, and has now nearly wholly sup-planted the black rat (M. rattus), also a European species,introduced about 1544. The beaver (Castor canadensis)is the largest rodent. It seems to be doomed to extermin-ation through the relentless hunting of it for its fur. Thewoodchuck or ground-hog (Arctomys monax) is another THE VERTEBRATES: MAMMALS 247 familiar rodent larger than most members of the order.The chipmunks (fig. 128) and ground-squirrels are com-monly known rodents found all over the country. They arethe terrestrial members of the squirrel family, the best known
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FIG. 128. Chipmunk. (Permission of Camera Craft.) arboreal members of which are the red squirrel (Sciurushudsonicus), the fox-squirrel (5. ludovicianus), and the grayor black squirrel (S. carolinensis). The little flying squirrel(Sciuropterus volans) is abundant in the Eastern States.The shrews and moles (Insectivora).--The shrews 248 THE ANIMALS AND MAN and moles are all small carnivorous animals, which, be-cause of their size, confine their attacks chiefly to insects.The shrews are small and mouse-like; certain kinds ofthem lead a semi-aquatic life. There are nearly a scoreof species in North America. Of the moles, of which there

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