Vol. Ill) GRINNELL— MAMMALS OF CALIFORNIA 369 



side, on the western arm of the Mohave desert in northern 

 Los Angeles County or southern Kern County, and on the 

 Colorado desert near the Mexican line, in eastern San Diego 

 County or western Imperial County. 



Family BOVIDAE 



Ovis canadensis nelsoni Merriam 



Desert Bighorn 



Original description — Ovis nelsoni Merriam, Proc. Biol. 

 Soc. Wash., 11, July 15, 1897, pp. 217, 218. 



Type locality — Grapevine Mountains, on boundary between 

 California and Nevada, just south of latitude ^7°. 



Synonyms — Ovis canadensis, part; Ovis cervina nelsoni; 

 Mountain Sheep, part; Desert Sheep. 



Range — Lower and Upper Sonoran zones on the Mohave 

 and Colorado deserts and adjacent and included ranges, west 

 to the Santa Rosa Mountains, Riverside County, northwest 

 (formerly) through the Tejon region to the Caliente Hills, 

 San Luis Obispo County, and north through the Inyo region 

 east of Owens Valley. 



Ovis canadensis sierrae Grinnell 



Sierra Nevada Bighorn 



Original description — Ovis cervina sierrae Grinnell, Univ. 

 Calif. Publ. Zool, 10, May 9, 1912, pp. 144-150. 



Type locality — East slope Mount Baxter, 11,000 feet alti- 

 tude. Sierra Nevada, Inyo County, California. 



Synonyms — Ovis canadensis, part ; Mountain Sheep, part. 



Range — High Sierra Nevada, formerly at least from Mari- 

 posa County to Tulare County; also (probably this race) in 

 the vicinity of Mount Shasta east to the Warner Mountains, 

 Modoc County. Now only from Mono County south to the 

 vicinity of Mount Whitney ; restricted to Boreal zone in 

 summer, descending in winter to east base of the Sierra 

 Nevada. There are sheep still existing on the San Gabriel 

 Mountains (Transition zone), southern California; status 

 unknown. 



