284 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4TH SER. 
Range—Lower Sonoran zone of southern California; 
most numerous in the San Diegan district, but noted also on 
the Colorado Desert, in the San Joaquin Valley, and in Kern 
and Fresno counties (Mus. Vert. Zool.); northernmost 
station, Fresno. 
Order CARNIVORA 
Family URSIDAE 
Ursus horribilis californicus Merriam 
California Grizzly 
Original description—[Ursus horribilis| californicus Mer- 
riam, Proc. Biol. Soc. Wash., 10, April 13, 1896, p. 76, fig. 15. 
Type locality—Monterey, California. 
Synonyms—Ursus horribilis; Ursus horribilis horriaeus ; 
Grizzly Bear. 
Range—Formerly almost throughout the state, except the 
southeastern deserts and the extreme northwestern humid 
coast belt. Zone, mostly Upper Sonoran and lower Transition. 
Now probably extinct. 
Ursus americanus altifrontalis Elliot 
Northwestern Black Bear 
Original description—Ursus altifrontalis Elliot, Field Col. 
Mus., zool, ser3, June, 1903, pp. 234, 235. 
Type locality—Shore of Lake Crescent, Clallam County, 
Washington. 
Synonyms—Ursus americanus; Ursus cinnamoneus; Cinna- 
mon Bear; Brown Bear; Black Bear. 
Range—Chiefly Transition and Boreal zones of northwest- 
ern California north of San Francisco Bay, and south along 
the Sierra Nevada at least as far as the Tehachapi Mountains, 
in Kern County. It is possible that the black bears of the 
Sierra Nevada belong to a separate and unnamed subspecies. 
Family CANIDAE 
Canis gigas (Townsend) 
Northwestern Timber Wolf 
Original description—Lupus gigas Townsend, Journ. Acad. 
Nat.Sci.) Phila!) n)s.)2.) November, S850) mp 7s 70: 
