76 ODONTOCCELUS. 



inguinal regions white ; sides of belly and legs pale fulvous ; tail above 

 fulvous, beneath white. 



Measurements. Type. "Total length, 1250; tail vertebrae, 170; 

 hind foot, 360" (Merr., 1. c.). Animal probably not fully grown. 



59. cerrosensis (Odocoileus!), Merr., Proc. Biol. Soc. Wash., xn, 



1898, p. 101. 

 CERROS ISLAND DEER. 



Type locality. Cerros or Cedros Island, off coast of Lower Cali- 

 fornia, Mexico. 



Geogr. Distr. Type locality only. 



Genl. Char. Similar to O. h. calif ornicus , but smaller. 



Color. Above dark grizzled gray; blackish dorsal band from 

 occiput to and over upper surface of tail; dusky spot on top of nose 

 and one each side of nostrils; forehead dark; ears grizzled gray exte- 

 riorly, interiorly white; throat and neck dusky gray; middle of breast 

 and fore legs blackish; sides of breast and belly like upper parts; 

 abdomen, and inguinal region whitish; thighs, inner side of hind legs, 

 and back of fore legs buffy; tail, dark band above, basal two-thirds 

 whitish, remainder blackish. 



Antlers. Small, bowed outward, tips incurved. A single branch 

 projects backward and upward from upper third of main tine. 



Measurements. Type. Total length, 1560; tail vertebrae, 180; 

 hind foot, 380; ear from crown, 180 (ex Merr., 1. c.). 



60. hemionus (Cervus), Rafin., Amer. Month. Mag., i, 1817, p. 436. 

 macrotis Say, Long's Exped. Rocky Mts., n, 1823, p. 88. 

 auritus Ward, Desc. Etats Unis, v, 1820, p. 540. 



hemionus (Odocoileus), Elliot, Syn. N. Am. Mamm., 1901, p. 42. 

 MULE DEER. 



Type locality. "Sioux River," probably on eastern border of 

 South Dakota. 



Geogr. Distr. Lower California north through Nevada to lati- 

 tude of San Francisco, and west of the Missouri River from Fort 

 George, south to Texas; including North and South Dakotas, 

 Nebraska, Kansas, Colorado, and Wyoming, Montana, Idaho, 

 Nevada, California, Oregon, and Washington. 



Genl. Char. Size large, body heavy; ears very large, thicklv 

 haired; tail moderate, round, white, tipped with a black tuft, naked 

 beneath basally. Metatarsal gland occupying upper half of outer 

 side of canon bone; tarsal gland present. 



Antlers with short sub-basal snag, the beam from this projecting 

 outward and then upward, forking dichotomously, both prongs 

 nearly equal, and then again dividing. 



