Vou. IIT] GRINNELL—MAMMALS OF CALIFORNIA 271 
Range—Upper Sonoran, Transition and Boreal zones in the 
northwestern portion of the state, east to Shasta County, and 
south as far as Monterey (Merriam, N. Amer. Fauna, 10, 
1895, p. 68; Mus. Vert. Zool.). 
Sorex vagrans amoenus Merriam 
Sierra Nevada Shrew 
Original description—Sorex amoenus Merriam, N. Amer. 
Fauna, 10, December, 1895, pp. 69, 70. 
Type locality—Mammoth Pass, 10,000 feet altitude, east 
slope Sierra Nevada, Mono County, California. 
Range—Transition and Boreal zones on the Sierra Nevada, 
at least from Mono County north to Mount Shasta (Merriam, 
supra cit., and N. Amer. Fauna, 16, 1899, p. 87; Mus. Vert. 
Zool.). 
Sorex halicoetes Grinnell 
Salt Marsh Shrew 
Original description—S orex halicoetes Grinnell, Univ. Calif. 
Publ. Zool., 10, March 20, 1913, pp. 181-184. 
Type locality—Salt Marsh near Palo Alto, Santa Clara 
County, California. 
Range—Salt marshes bordering the south arm of San Fran- 
cisco Bay, at least from Belmont, San Mateo County, around 
to Melrose, Alameda County (Mus. Vert. Zool.). 
Sorex obscurus obscurus Merriam 
Dusky Shrew 
Original description—Sorex obscurus Merriam, N. Amer. 
Fauna, 10, December, 1895, pp. 72, 73. 
Type locality—Timber Creek, 8200 feet, Salmon River 
Mountains, Idaho (see Merriam, N. Amer. Fauna, 5, 1891, 
p. 34). 
Range—Boreal zone along the Sierra Nevada, from Shasta 
County to Olancha Peak, Tulare County (Merriam, supra cit. ; 
Mus. Vert. Zool.). 
