Proceedings of the Academy of Natural Sciences of Philadelphia Volume 111-112.cAcademy Of Natural Philadelphia
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Author: Academy Of Natural Philadelphia
Number of Pages: 176 pages
Published Date: 12 Sep 2013
Publisher: Theclassics.Us
Publication Country: United States
Language: English
Type: eBook
ISBN: 9781230207315
Download Link: Proceedings of the Academy of Natural Sciences of Philadelphia Volume 111-112
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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1867 edition. Excerpt: ...numbers are doubtless owing to the fact that, of late years, it has been but little, if at all, molested by trappers, whom Indian hostilities have prevented from penetrating to its haunts. SACCOMTIDJE. 16. Thomomys Fulvus (Woodh.) Baird. Two specimens, Fort Whipple. The most abundant and characteristic species of the subfamily Geomyinae, and generally distributed over northern and central Arizona. It is almost wholly subterranean and nocturnal in habit. The small piles of soft, moist earth, seen all over the fertile grassy portions of the Territory, are thrown up by this animal in digging or extending its burrows; and are particularly numerous in the vicinity of clumps of oak. Two other species, T. bulbivorus and T. umbrinus probably occur in southern and western Arizona. 17. Dipodomys Ordii, Woodhouse. Numerous specimens of this very abundant animal, the "kangaroo rat" of the inhabitants; from Fort Whipple and vicinity. This species seems susceptible of a semi-domestication, like the true Mitres; and, together with a species of Hexperomys, is very common in the storehouses and granaries of Prescott and Fort Whipple, where they readily produce their young. Ordinarily it lives in brush heaps, under fallen logs, etc., as well as under ground. The young are brought forth in May and June; but two or more litters may be produced, especially when the animals are living in places protected from the weather. The young are at first nearly gray, showing little of the clear fawn of the adults. The ordinary mode of progression with these animals is the same as that of other small rodents; but the movsments upon all-fours are changed to a series of vigorous leaps when the animals are alarmed. 18. Perognathus Flavus, Baird. One specimen (Fort...
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