RODENTIA: CRICETIDAE 589 



Microtus provectus Bangs* 



1908. Microtus provectus Bangs, Proc. New England Zool. Club, vol. 4, p. 20, 

 Mar. 6, 1908. 



Type Locality. — Block Island, Newport County, Rhode Island. Range. — 

 Known from type locality only. 



montanus — group 40 



Microtus montanus montanus (Peale) * 



1848. Arvicola montana Peale, Mammalia and ornithology, in United States 

 exploring expedition, during the years 1838-42, under the command of 

 Charles Wilkes, U. S. N., Philadelphia, vol. 8, p. 44. 



1897. [Microtus] montanus Trouessart, Catalogus Mammalium . . . , fasc. 3, 

 p. 563. 



Type Locality. — Headwaters of Sacramento River, near Mount Shasta [prob- 

 ably close to Sisson (= Mount Shasta City) ], Siskiyou County, Calif. Range. — 

 Siskiyou region of extreme north-central portion of California, south from 

 Oregon line to Fort Crook [near Burgettville], Shasta County, west to Stud Horse 

 Canyon, Siskiyou Mountains, Siskiyou County, and east to east side of Tule Lake, 

 Modoc County; vertical range, 2,700 feet up to 6,500 feet; zonal range, Transition 

 and Canadian (Grinnell, Univ. California Publ. Zool., vol. 40, No. 2, p. 185, 

 Sept. 26, 1933) ; and east of Cascade Mountains in western Oregon. 



Microtus montanus dutclieri V. Bailey f* 



1898. Microtus dutcheri V. Bailev, Proc. Biol. Soc. Washington, vol. 12, p. 85, 

 Apr. 30, 1898. 



1913. Microtus montanus dutcheri Grim, ell. Proc. California Acad. Sci., ser. 4, 

 vol. 3, p. 317, Aug. 28, 1913. 



7'ype Locality. — Big Cottonwood Meadows, southeast of Mount Whitney. 

 Inyo County, Calif. Altitude, 10,100 feet. Range. — High southern Sierra Ne- 

 vada of California in vicinity of Mount Whitney; recorded south to Jackass 

 Meadow, Tulare County, north to Whitney Creek, Tulare County, and east to 

 Little Cottonwood Creek, Inyo County; vertical range, 6,700 feet (Jordan Hot 

 Springs, Tulare County) to 11,000 feet (Cottonwood Lakes, Inyo County) ; 

 zonal range, Canadian and Hudsonian (Grinnell, Univ. California Publ. Zool., 

 vol. 40, No. 2, p. 186, Sept. 26, 1933 ) . 



Microtus montanus yosemite Grinnell* 



1914. Microtus montanus yosemite Grinnell, Proc. Biol. Soc. Washington, 

 vol. 27, p. 207, Oct. 31, 1914. 



Type Locality. — Yosemite Valley, Mariposa County, Calif. Altitude. 4,000 

 feet. Range. — Central and northern Sierra Nevada and northeast through Modoc 

 region to southeastern Oregon ; recorded from Goose Lake, Modoc County, south 

 to head of San Joaquin River, in Fresno County; west at north to vicinity of 

 Cassel, Shasta County; vertical range, from 3,000 feet (Cassel) up to 10,350 feet 



40 Reviewed by Hall, Proc. Biol. Soc. Washington, vol. 51, pp. 131-134, Aug. 23, 1938. 

 California forms revised by R. Kellopg, Univ. California Publ. Zoo!., vol. 21, No. 7, pp. 245- 

 274, Apr. 18, 1922. 



