Bulletin of the American Museum of Natural History Volume 10

Bulletin of the American Museum of Natural History Volume 10

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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. 1898 edition. Excerpt: ... than do the external measurements, which are taken by different persons, the s ulls being all measured by myself after strictly the same method. specimens closely resemble specimens from southern Ontario and western New York, and also northern New England, from which they differ chiefly in larger size. In general features they are 'intermediates' between the two forms, but much nearer Ivy!/(Ix than typical /zuakonicus of Arctic America. Win/er Pelage.---Median dorsal band light yellowish rufous; rest of upper parts and outside of limbs and feet yellowish gray, the hairs pale fulvous narrowly ringed with black; ventral surface clear white (without vermiculations in the only specimen seen); tail above with the central area like the back, the black border narrow, fringed with fulvous; tail below with the central area pale gray basally, passing into very pale fulvous distally; bordered and fringed as above. Summer Pcents'lage.--Above pale yellowish olivaceous gray, the hairs finely annulated with black; feet, outside of shoulders and edge of thighs yellowish rufous; lateral line obsolete (wanting in 12 specimens out of the 18 examined, and clearly indicated in only 2, both young of the ywr): ventral surface pure white; tail above bright yellowish rufous. much lighter than in the northern (S. /rm/.wm'ru.r) and eastern (S. /1. loyuaxl forms of the group, with the usual narrow black submarginal band and yellow fringe; tail below with the central area grizzled yellowish and black. Wyoming: llelle Fourche (western edge of Black Hills), Oct. 21, Vernon Bailey, I spec. (Coll. C. ll. M.) This is practically an isolated form, distinguished by large size and pale coloration. It is larger even than the very large forms of S. /1. laquashow more

Product details

  • Paperback
  • 189 x 246 x 8mm | 277g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236766733
  • 9781236766731