132 Merriam — Jack Rabbits of the Lepus Campestris Group. 



Green River Basin in southwestern Wyomino; the range spreads westerlj' 

 over eastern Idaho, northern Utah, and northeastern Nevada. 



Charncters. — Upperparts yellowish gray ; thighs grayish, washed with 

 fulvous, becoming snow-white in early fall ; tip of ear margined anteriorly 

 by black, posteriorly marked by a broad squarish black patch changing 

 abruptly to the white below ; tail wholly snow-white, some specimens 

 showing a faint trace of a median dorsal line ; upper surface of fore leg and 

 fore foot ochraceous, sparingly sprinkled with black hairs ; eye surrounded 

 by a broad conspicuous white ring ; top of head and front of ears yellowish 

 gray or bufiy yellowdsh, varying to buffy fulvous ; ))ectoral collar buffy 

 yellowish. 



Measurements. — Average of 5 specimens from Wyoming : Total length, 

 615 ; tail vertebra?, 92; hind foot, 152. 



Lepus campestris townsendi Bachman. 



Lepus townst'iidi Bachman, Journ. Acad. Nat. Sci., Phila., VIII, Pt. I, 

 90-94, 1839. 



Type locallti/.—\Va\\a Walla, Washington. 



Range. — Plains of the Columbia, in Oregon and Washington. 



Characters. — Upperparts clear gray ; thiglis and hind legs deep graj' ; tip 

 of ear not bordered anteriorly by black, the black showing along the edge 

 only; posterior ear-patch narrow, forming only a border, which fades out 

 irregularly into gray below and on the inner side ; tail white, with a dis- 

 tinct gray median dorsal line or stripe ; top of fore leg and fore foot bufly 

 gray, strongly grizzled with black hairs ; white ring around eye not con- 

 spicuous, the part below the eye indistinct; top of head and front of ears 

 gray or only faintly tinged with pale butfy fulvous; pectoral collar buffy 

 gray. 



Measurements.— Awerage of r> from plains of Columbia : Total length, 

 576; tail vertebrae, 81 ; hind foot, 147. 



Lepus campestris sierrae subsp. nov. 



Type from Hope Valley, Alpine County, California, altitude 7800 feet. 

 No. 67,863, female, U. S. National Museum, Biological Survey Collection. 

 September 9, 1894. F. Stephens. Original No. 1889. 



Range. — In summer, the Sierra Nevada from Lake Tahoe southward to 

 south of Mono Lake ; in winter, adjacent sage-brush slopes on east side of 

 Sierra in Nevada and California. 



Characters. — Size large ; hind foot exceedingly long (167 mm.) ; weight 

 of type specimen, 8]- lbs. Similar in general to townsendi, hut feet much 

 larger and ears broadly tipped with black on both sides, more broadly even 

 than in campestris, the black covering the tip of the anterior or upper fold 

 in front as well as l>ehind, and forming a large rectangular patch behind ; 

 back, thighs, and pectoral collar gray, as in townsendi; upper side of tail 



