50 MAMMALS OF UTAH 



lines; top of head like back but without the spotted ap- 

 pearance; sides, flanks, and upper surface of feet pale ful- 

 vous ; underparts (except chin) a somewhat paler shade of 

 fulvous ; chin whitish ; light whitish buff ring around eye ; 

 tail above mixed brown and black, tip black edged with whit- 

 ish; below brown or fulvous, about like sides, with black 

 tip. Specimens in spring, in worn pelage, are somewhat 

 grayer and paler. Total length, 10.8; tail vert. 3.0; hind 

 foot, 1.75. (Warren.) 



Distribution — The type locality of this species is Fort 

 Bridger, Wyoming and its range includes the northeastern 

 part of Utah 



UTAH SPERMOPHILE 



CITELLUS VARIEGATUS UTAH (Merriam) 



Citellus variegatus utah, Merriam, Proc. Biol. Soc. Wash. XVI, 

 1903, p. 77. 



Description — Like grammurus except that the rufous is 

 somewhat darker and more intense. The tail is somewhat 

 longer in proportion. 



Distribution — The type locality of this species is the 

 foot of the Wasatch mountains, near Ogden, Utah. It ex- 

 tends eastward to Colorado, being found only in these two 

 states. 



Habits — The habits of utah are the same as those of 

 grammurus. 



ROCK SQUIRREL 



CITELLUS VARIEGATUS GRAMMURUS (Say) 



Sclurus grammurus Say, in Long's Exped. Rockv Mts. II, 



p. 72, 1823. 

 Spermophilus grammurus. Bach.. Charlesworth's Mag. Nat. 



Hist, 111, 1839, p. 390. 



Description— Body thick, clumsy; about the size of 

 Sclurus cinereus; vertebrae of tail about three-fifths of 

 length of the body. Ears broad and high. Palms and 

 soles entirely smooth. The anterior half of the body, above 

 and on the sides, is of a rather pure black and white mixed, 



