Vor. IIT] GRINNELL—MAMMALS OF CALIFORNIA 273 
Type locality—Walnut Creek, Contra Costa County, Cali- 
fornia. 
Range—Upper Sonoran zone of west-central California 
along inner coast ranges and in the vicinity of San Francisco 
Bay, north to Rumsey, Yolo County, east to Byron, Contra 
Costa County, and south to near Los Bafios, Merced County 
(Merriam, supra cit.; Mus. Vert. Zool.). 
Sorex sinuosus Grinnell 
Suisun Shrew 
Original description—Sorex sinuosus Grinnell, Univ. Calif. 
Publ. Zool., 10, March 20, 1913, pp. 181, 187. 
Type locahity—Grizzly Island, near Suisun, Solano County, 
California. 
Range—Brackish marshes of Grizzly Island, Suisun Bay, 
Solano County (Mus. Vert. Zool.). 
Sorex shastensis Merriam 
Shasta Shrew 
Original description—Sorex shastensis Merriam, N. Amer. 
Fauna, 16, October 28, 1899, p. 87. 
Type locality—Wagon Camp, 5700 feet altitude, Mount 
Shasta, Siskiyou County, California. 
Range—Boreal zone of Mount Shasta; only the type, as 
above, recorded. 
Sorex tenellus tenellus Merriam 
Inyo Shrew 
Original description—Sorex tenellus Merriam, N. Amer. 
Fauna, 10, December, 1895, p. 81. 
Type locality—Summit of Alabama Hills near Lone Pine, 
Owens Valley, Inyo County, California. 
Range—Known only from the type locality, as above. 
