MAMMALS OF THE MEXICAN BOUNDARY. 



185 



ODOCOILEUS CROOKI ( Mearns). 

 CROOK BLACK-TAILED DEER. 



Dorcehiphuft crooki Mearns. Proc. U. S. Nat. Mus.. XX. i). 408. Doe. 24. 1S'.)7. 



(P. 2 of advance sheet issued Felt. 11. 1S!)7; original description.) 

 OdovoUciifi croolyi. Millek and Rehn. Proc. Rost<)n Soc. Nat. Hist.. XXX, 



No. 1. Dec. 27. lOOl. p. 1.5 (S.vst. Results Study N. Am. Mam to dose 



of 1900). 

 Cuervo (Cacalotc) of the Mexicans. 

 Akir'aka of the Ilaulapai Indians. 

 Pc-0!<li -Bo(>k-fsr-(/ti of tlie IIo])i Indians. 



Type-locality. — Siiinniit of the Dog Mountains, Grant County, New 

 Mexico. Altitude, iSdS meters (6,r21) fet). (Type, No. |f|tl. I- ^• 

 National Museum.) 



Geof/raphiral rayiyc. — ^Mountains of western New Mexico and 

 eastern Arizona (Dog ^Nloimtains, New Mexico, to T>ill Williams 

 Mountain, Arizona). It belongs to the Transition __ 



zone of the Elevated Central Tract. 



Description. — Adult female (type, killed June !>) 

 in summer pelage: Similar in form to the black- 

 tailed deer of the Columbia River {OdocoileuH co- 

 liimlnanuH)^ but much paler and probably smaller, 

 with larger ears. Color reddish fawn, darker fe 



from black annulations on the back, lightening to |l!i, 



grayish cinnamon on the sides, and grayish drab on | ■ \ 



the neck. The legs are cream-buff, except where ||' 



new clay-colored hair is coming in on the anterior | f|i 



border, the liml)s being almost the last part to re- %,l 



ceive the summer coating. The coloring of the W | 



head is very similar to that of the mule deer in \' \ 



correspondmg pelage. It has the horseshoe or | ? 



arrow-mark on the forehead, and other dark ' i 



markings of the head to correspond ; and the ears fk;. u;.— odocoileus 



d,- 1 1 J. •, 1 T , CROOKI. METATAR- 



atively almost or quite as large, and as scant- ^^^ ^^^^^ of type. 



ily coated Avith hair. The bushy hair around the (Cat. No. 20.572, u.s. 



metatarsal gland (fig. 16), which agrees in size and 



location with that of Odocoileus columhicmus (Richardson), is sooty 



at the base, and white apically. The tail (fig. 17) is colored much 



as in . col iimhian us, hut has a longer terminal SAvitch; upper side and 



extremity of tail all black, loAver side Avhite mesially,and naked toAvard 



tlie base. The pelage of this deer is short and coarse in comparison 



Avith that of the Avhite-tailed deer of Virginia or the black-tailed deer 



of the Columbia RiA^er region, and, as Avould naturalW be expected, is 



not so red as that of the latter. The type contained a fetus the size 



of a cotton-tail rabbit. The dimensions of this individual, meas- 



