MAMMALS 347 



L. hairdi Hayden. Color in summer dusky grayish or rusty brown; 

 in winter pure white; length 459 mm.; tail 39 mm.; hind foot 146 mm.: 

 Rocky Mountains from Washington, Idaho and Montana to New 

 Mexico; Canadian and Hudsonian zones. 



L. alleni Mearns. Antelope jack rabbit. Size large; ears and legs 

 very long; color of top of back yellowish brown; sides, rump and 

 shoulders gray; under parts pure white; base of tail black; length 606 

 mm.; tail 63 mm.; hind foot 131: deserts of southern Arizona and 

 Mexico. 



L. townsendii Bachman. White-tailed jack rabbit. Color in 

 summer pale yellowish gray; entire tail white; tip of ear black; in 

 winter pure white in the northern portion of its range, in the south little 

 changed; length 605 mm.; tail 92 mm.; hind foot 149 mm.: northern 

 and western States west of the Mississippi River to eastern California. 

 The jack rabbits weigh about 6 pounds and are remarkable for their 

 speed, clearing 20 feet at a leap. They feed on bark, leaves and 

 herbage and as they often do very great damage to crops are much 

 hunted for purpose of extermination, and also for the fur and meat. 



Subspecies of L. townsendii 



L. t. townsendii Bach. Color uniform gray, without any yellowish: 

 Great Basin; eastward to the summit of the Rockies. 



L. t. sierrcE (Merr.). Size large; color uniform gray; length 635 mm. : 

 high Sierras from Mount Shasta to ]Mount Whitney. 



L. t. campanius Hollister. Color buffy yellowish gray: Great Plains 

 east of the Rockies in Canada and the United States. 



L. caUJornicus Gray. Black-tailed jack rabbit. Color dark 

 ochraceous brown or dark buftV brown in winter and paler in summer ; 

 under parts dull dark buff; top of tail black; length 604 mm.; tail 95 

 mm. ; hind foot 131 mm. : Nebraska and Texas to the Pacilic; northward 

 to Washington; southward into Mexico; i to 6 young in a litter. 



Subspecies of L. calif ornicus 



L. c. californicus Gray. Coast region of California from Cape 

 Mendocino to Gaviota Pass; eastward to the Sierras; northward to the 

 Willamette. 



L. c. deserticola (Mearns). Colors very pale, being ashy gray above; 

 length 542 mm.: Great Basin from southeastern California and Nevada 

 to central Arizona and Utah; northward into Idaho. 



