C\>/i'r. PiHt-l'iecditii^ Pfhi,i;e. As compared with T. amirnus, post- 

 auricular patches obsolete ; back of neck and sliouldcrs grizzled with 

 fulvous, not hoar)' ; dorsal stripes mixed with fulvous ; tail beneath 

 lilack. border broader, and the central portion mixed with black. 



Mtiisioemcnts. Total length, 210; tail vertebra'. Njihind foot. 34. 



93. cinereicollis. ('J'ai>il,i.<:\, Allen, Bull. Am. Mus. Nat. Hist., 1890, 



p. 94. 



J r/>c locality. San Francisco Mountains, Arizona. 



Get\i:;r. Distr. San Francisco and Mogollon Mountains, .\rizona. 



Gcnl. Char. Allied to T. umbriuiis. but neck and shoulder dif- 

 ferently colored from the flanks. 



Color. Autumn Fflagf. Above gra\- ; flanks yellowish brown ; 

 thighs and rump pale yellowish brown ; dark dorsal stripes black 

 edged with chestnut brown : inner pair of light stripes whitish gray ; 

 outer pair white. Light facial stripes white ; dark ones rusty brown. 

 Under part of bod}' white. Post-auricular patch light gray. Tail 

 above blackish ; beneath orange rufous, bordered with black and 

 fringed with buff. 



Bri-filing Pi-laxr. Colors much faded : sides faintly washed with 

 pale yellowish brown or pale buff. Upper parts dull j'ellowish gray. 



.^/(a.uireiHiiits. Average total length, 247 ; tail vertebra-, ici2 ; 

 hind foot, 35. 



94. umbrinus. { '/'amias). .Mien. Bull. \m. Mus. Xat. Hist.. i8go, 



p. 96. 



Type locality. Uintah Mountains, Itah, south of Fort Bridger. 



(/',v';v. ni.<tr. Wahsatch and I'intah Ranges of northern and 

 central I'tah. 



iicnl. Char. Larger than 7'. ijuadrivittatus. colors duller, and 

 outer dark stripe obsolete. 



Color. Autinnii Pelage. Above j'ellowish brown gray; flanks dull 

 yellowish brown : under parts grayish white. Dark dorsal stripes 

 black mixed with yellowish or rusty brown : outer ones usually obso- 

 lete. Light stripes pale gray, outer ones whitish. Facial streaks 

 dusky brown and gray. Tail above orange and black : beneath orange 

 rufous bordered with black and fringed with j'ellowish. 



Mi-,rutr<i/n/its. Total length, 249; tail vertebra', ico: hind foot, 32. 



95. quadrivittatus. (.S,-/urus), Say. Long's Hxpetl. Rocky Mts., 11, 



1823, p. 45. 



I ype loiality. Rock)' Mountains about the sources of the Arkan- 

 sas and Platte Rivers. 



Giogr. Pistr. Southern boundary of Colorado northward through 

 Wyoming, including the Yellowstone National Park. 



