328 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4TH SER. 
Type locality—Yosemite Valley, Mariposa County, Cali- 
fornia. 
Range—As far as known, Transition zone in Yosemite 
Valley (Merriam, supra cit.; Mus. Vert. Zool.). 
Thomomys monticola Allen 
Sierra Nevada Pocket Gopher 
Original description—Thomomys monticola Allen, Bull. 
Amer. Mus. Nat. Hist., 5, April 28, 1893, p. 48. 
Type locahity—Mount Tallac, 7500 feet altitude, Eldorado 
County, California. 
Synonyms—Mountain Pocket Gopher ; Pine Woods Gopher ; 
Thomomys monticola pinetorum Merriam, N. Amer. Fauna, 
16, October, 1899, p. 97 (type from Sisson, Siskiyou County, 
California ). 
Range—Transition and Boreal zones on the northern Sierra 
Nevada, from the Tahoe region north to Mount Shasta, thence 
west through the Trinity Mountains (Mus. Vert. Zool.). 
Family HETEROMYIDAE 
Perognathus panamintinus panamintinus Merriam 
Panamint Pocket Mouse 
Original description—Perognathus longimembris  pana- 
mintinus Merriam, Proc. Acad. Nat. Sci. Phila., September 27, 
1894, p. 265. 
Type locality—Perognathus Flat, altitude 5200 feet, Pana- 
mint Mountains, Inyo County, California. 
Range—Upper Sonoran zone on the Panamint Mountains, 
Inyo County (Osgood, N. Amer. Fauna, 18, 1900, pp. 28, 29). 
Perognathus panamintinus bangsi Mearns 
Bangs Pocket Mouse 
Original description—Perognathus longimembris bangst 
Mearns, Bull. Amer. Mus. Nat. Hist., 10, August 31, 1898, 
p. 300. 
Type locality—Palm Springs, Colorado Desert, Riverside 
County, California. 
