Vot. IIT] GRINNELL—MAMMALS OF CALIFORNIA 297 
Range—Lower Sonoran zone on the Colorado Desert: Im- 
perial Valley and north along the Colorado River at least to 
vicinity of Picacho (Mus. Vert. Zool.). 
Lutra canadensis pacifica Rhoads 
Pacific River Otter 
Original description—Lutra hudsonica pacifica Rhoads, 
Trans. Amer. Philos. Soc., n. s., 19, September, 1898, pp. 
429-431. 
Type locality—Lake Kichelos (—Keechelus), Kittitas 
County, Washington. 
Synonyms—Lutra californica; Lutra canadensis; California 
Otter. 
Range—Streams of northern California, south at least to 
Mendocino County, and through the Sacramento and San 
Joaquin valleys to the San Joaquin River, Fresno County. 
Latax lutris nereis Merriam 
Southern Sea Otter 
Original description—Latax lutris nereis Merriam, Proc. 
Biol. Soc. Wash., 17, October 6, 1904, p. 159. 
Type locality—San Miguel Island, Santa Barbara Islands, 
California. 
Synonyms—Latax lutris; Enhydra lutris; Enhydra marina; 
San Miguel Island Sea Otter. 
Range—In the ocean along the exposed seashore and neigh- 
boring islands the whole length of the state, especially about 
the Santa Barbara and Farallon islands (see Scammon, Marine 
Mammals, 1874, pp. 168-174). Formerly abundant, now 
rare. It is possible that the animals which occurred off the 
northern California coast belonged to the northern sub- 
species. 
Family FELIDAE 
Felis oregonensis oregonensis Rafinesque 
Northwestern Cougar 
Original description—“Felix [= Felis] oregonensis Ra- 
finesque, Atlantic Journal, 1, 1832, p. 62.” 
‘ August 26, 1913. 
