The Pocket Gophers (Genus Thomomys) of Utah No. 1 Volume 1

The Pocket Gophers (Genus Thomomys) of Utah No. 1 Volume 1

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Excerpt: ...mainland form, albicaudatus, in a majority of their characters. Pg 41 Pocket gophers were taken at four localities from north to south in eastern Juab County. They range in color from Ochraceous Tawny on the upper parts and Cinnamon Buff on the underparts to shades that are slightly lighter. All are much lighter than topotypes of albicaudatus. The general configuration of the skull is the same as that of albicaudatus, and this is especially true in the females. In the narrower rostrum and weaker dentition they approach contractus, but are distinctly lighter colored. Hall (1931:3) referred one specimen from Nephi, Juab County, to Thomomys bottae aureiventris. Since that time Thomomys bottae lenis which has some affinities with aureiventris has been described (see account of contractus). The large series now available from Nephi and nearby localities do show some intergradation with lenis, in that four characters are more as in lenis and contractus and seven characters are more as in albicaudatus. Although differing markedly in many respects from topotypes of albicaudatus they fit the aforementioned concept of this subspecies, and are being treated as a variable local population of it. Provo is the locality listed for specimens which were available to naturalists from 1875-1877. To these specimens the following names were applied: Thomomys talpoides bulbivorus Coues (1875:256; 1877:627) and Thomomys talpoides umbrinus Coues and Yarrow (1875:112). Possibly these names were applied to the animals currently known as Thomomys bottae albicaudatus which does occur at Provo. Without the opportunity to examine the actual specimens, which so far as I know are no longer in existence, I cannot exclude the possibility that the locality designation "Provo" was used in a general sense to include pocket gophers taken a few miles to the eastward of Provo, where it is known that pocket gophers of only the species Thomomys talpoides (current terminology) occur....
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Product details

  • Paperback
  • 189 x 246 x 2mm | 86g
  • United States
  • English
  • black & white illustrations
  • 1236705734
  • 9781236705730