ODONTOCCELUS. 77 
Color. Summer Pelage. Pale yellow, 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 
abdomen, inner side of legs and buttocks; rest of under parts 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.—californieus (Cariacus), Caton, Amer. Nat., 1876, p. 464. 
h. californicus (Odocotleus!), Elliot, Syn. N. Am. Mamm., 1901, p. 43. 
CALIFORNIA MuLeE Derr. 
Type locality. St. Julian Ranch, Summit of Gaviota Pass, 
Coast Range, forty miles from Santa Barbara, California. 
Geogr. Distr. In the Coast Range south of San Francisco and 
into Lower California, Mexico. 
Genl. Char. Ears smaller than those of the type species; tail differs 
from that of O. hemionus by having a dark median stripe above; 
metatarsal gland very large. 
Color. Similar to O. hemionus, the chief difference being the 
dark band on top of the tail embracing one-third of the circumfer- 
ence; under side of tail naked, tip black. 
Measurements. Rather smaller in size than O. hemionus. 
b.—eremicus (Dorcelaphus), Mearns, Proc. U. S. Nat. Mus., xx, 
1897, Pp. 470. 
Desert MuLeE DEER. 
Type locality. Sierra Seri, near the Gulf of California, State of 
Sonora, Mexico. 
Geogr. Distr. Lower California and State of Sonora, Mexico. 
Limits of range unknown. 
Genl. Char. Size large, color pale. 
Color. Above pale drab gray; dark vertebral line from neck to 
tail, extending a short distance on latter; inguinal region, abdomen, 
and middle of tail all around white; chest sooty drab; hind part of 
legs pale cinnamon; upper side of tail at base dusky, middle portion 
all white; end black like true O. hemionus. 
Antlers are stout, with beam of considerable length before forking; 
expanse between tips, 620-775. 
Measurements. The type of this form was merely a flat skin 
* Ward’s horn measurements. 
