ODOCOILEUS ANTILOCAPRA. 11! 



Co/or. Slimmer Pe/a};c-. Pale dull yellowish or yellowish tawny; 

 this is replaced in the early autumn by a bluish gray coat, growing 

 lighter in color as the hairs lengthen during the winter. A dark 

 brown patch on forehead between the eyes and extending below them 

 on the face; remainder of face and throat white as are also the abdo- 

 men, inner side of legs and buttocks; rest of underparts blackish 

 brown. Tail white, tip black; ear bordered with black anteriorly. 



Measurements. Total length, male, 1983; tail vertebra;, 203. 



Antlers: Length along curve, 393-698; tip to tip. 189-369; widest 

 inside, 369-483. 



a. — cnlifornicu9. i Cariaeiis), Catou, .\mer. Nat., 1S76, p. 464. 



Type locality. St. Julian Ranch. Summit of Gaviota Pass, 

 Coast Range, California. 



Geogr. Distr. California south of San I'rancisco, in the Coast 

 Range. 



Genl. Char. Ears smaller than type species; tail longer and dif- 

 fers from that of O. hemionus by having a dark median stripe on top, 

 metatarsal gland very large. 



Color. Similar to O. hemionus, the main difference apparently 

 being that this form has the top of the tail covered by a dark line 

 embracing one-third of its circumference; underside of tail naked, tip 

 black. 



Fam. III. Aiitilocapridac. 



Horns branched, deciduous, allied to the Bovidae. 

 31. Aiitilocapra. 



I. ?z^; c. ^•, P. 2=^- M. ^: = 32. 



4-4 0-0' 3-3' 3-3 -' 



Antilocapra Ord, Journ. de Phys., i8i8, p. 149. Type Aniilo/'e amer- 

 ieana, Ord. 



Dieranocerus, H. Smith, Griff. Anini. King., 1S27, p. 312. 



Horns compressed at base; flattened process in front, end coni- 

 cal, recurved; deciduous; lateral hoofs absent; hair stiff, coarse, brit- 

 tle. Nose hair}', save a narrow line in the center. Tail very short. 

 Horns in the female rudimentary or absent. 



63. americana. (.■Intilope). Ord, Guth. Geog., 2d Am. ed., 11, 1S15, 

 p. 2y2. 



Ty/'e loeality. Plains east of the Missouri River? Black Moun- 

 tains? 



Geof^r. Dtstr. X'alley of the Saskatchewan, latitude 53' south to 

 Mexico, and from Missouri River on plains westwards to Rocky Moun- 

 tains and the Cascade Range in Oregon and Washington. 



