320 



VERTEBRATE ANIMALS OF THE UNITED STATES 



P. fldvescens (Merriam). Color buff; white below; feet and legs 

 white; length 129 mm.; tail 61 mm.; hind foot 17 mm.: South Dakota 

 to northern Texas; westward to the Rockies. 



P. merriami Allen. Color ochraceous buff; belly, feet and fore 

 legs white; length 116 mm.; tail 57 mm.; hind foot 16 mm.: central and 

 southern Texas to southeastern New Mexico. 



P. flavus Baird. Color pinkish buff; pure white below; 

 fur very soft ; length 112 mm. ; tail 50 mm. ; hind foot 1 5 mm. : 

 eastern Utah and Wyoming and western South Dakota; south 

 to Mexico. 



P. apacJie Merr. Color rich buff; length 139 mm. ; tail 67 

 mm. ; hind foot 18 mm. : eastern Arizona, western New Mexico 

 and southern Utah and Colorado. 



P. panamintinus Merr. Color grayish buff; underparts 

 white; fur long and silky; length 143 mm.; tail 78 mm.; hind 

 foot 20 mm.: southern California and Nevada. 



P. longimernhris (Coues). Color uniform, being buff 

 above and white below; length 145 mm.; tail 74 mm.; hind 

 foot 18 mm.: southern California; Sonoran zone. 



P. parvus (Peale) . Color gray or buff, having two color 

 phases; length 171 mm.; tail 91 mm.; hind foot 22 mm.: 

 central and eastern California, Oregon, Washington, and the 

 Great Basin; Upper Sonoran zone. 



Subspecies of P. parvus 



Fig. 176. P- P- p<^fvus (Peale). Yakima River, Washington to 

 Perognaihiis southeastern Oregon. 



penicillatus . 



{after Stone P. p. molHpHosus (Coucs). Sizc Smaller, color darker: 

 ^ '-a'w)- northeastern California to Klamath Basin. 



P. p. olivaceus (Merr). Color lighter: Great Basin from southern 

 Idaho and Oregon to Owens Valley, California. 



P. p. niagruderensis Osgood. Size larger; length 198 mm.: south- 

 eastern California and Nevada. 



P. lordi (Gray). Color pale buff; length 183 mm.; tail 97 mm.; 

 hind foot 23 mm.: plains of the Columbia; Upper Sonoran and Transi- 

 tion zones. 



P. formosus Merr. Color grizzled sepia; white below; length 189 

 mm.; tail 106 mm.; hind foot 24 mm.; tail very long, heavily crested: 

 southern Nevada, Utah and California; Lower Sonoran zone. 



P. hispidus Baird. Color ochraceous; under parts white; fur harsh 

 but without bristles; soles of hind feet naked; length 222 mm.; tail 



