46 U. S. NATIONAL MUSEUM BULLETIN 205 



Type Locality. — Santa Clara, Santa Clara County, Calif. Range. — Coastal 

 region of California south of San Francisco Bay and entirely west of San Joaquin 

 Valley, south at least to Santa Margarita, San Luis Obispo County; vertical 

 range from near sea level (Seaside, Monterey County) to 4,400 feet (San Benito 

 Mountain, San Benito County). Zonal range, Lower Sonoran through 

 Transition. 



Scapamis latimanus parvus F. G. Palmer 



1937. Scapanus latimanus parvus F. G. Palmer, Journ. Mamm., vol. 18, No. 3, 

 p. 300, Aug. 14, 1937. 



Type Locality. — Alameda Island, Alameda County, Calif. Range. — So far as 

 known confined to island of Alameda. Vertical range all within a few feet of 

 sea level; zonal range, Upper Sonoran. 



Scapanus latimanus insularis F. G. Palmer* 



1937. Scapanus latimanus insularis F. G. Palmer, Journ. Mamm., vol. 18, 

 No. 3, p. 297, Aug. 14, 1937. 



Type Locality. — Angel Island, San Francisco Bay, Marin County, Calif. 

 Range. — Angel Island. Vertical range from near sea level to about 760 feet; 

 zonal range, Upper Sonoran and weak Transition. 



Scapanus latimanus caurinus F. G. Palmer* 



1937. Scapanus latimanus caurinus F. G. Palmer, Journ. Mamm., vol. 18, 

 No. 3, p. 290, Aug. 14, 1937. 



Type Locality. — Laytonville, Mendocino County, Calif. Range. — Coastal 

 region of California north of San Francisco Bay, except narrow strip extending 

 north to Oregon line from Humboldt Bay, and west of Sacramento Valley except 

 at its extreme northern end. Vertical range from near sea level (Bolinas, 

 Marin County) to 5,500 feet (South Fork Mountain, Humboldt County) ; 

 zonal range Upper Sonoran through Canadian. 



Scapanus latimanus dilatus Truef * 



1894. Scapanus dilatus True, Diagnoses of new North American mammals, 

 p. 2, Apr. 26, 1894. (Preprint of Proc. U. S. Nat. Mus., vol. 17, p. 242, 

 Nov. 15, 1894.) 

 1897. Scapanus truei Merriamf, Proc. Biol. Soc. Washington, vol. 11, p. 102, 



Apr. 26, 1897. (Lake City, Modoc County, Calif.) 

 1897. Scapanus alpinus Merriamf, Proc. Biol. Soc. Washington, vol. 11, p. 

 102, Apr. 26, 1897. (Crater Lake, Mount Mazama, Klamath County, 

 Oreg. Altitude, 7,000 feet.) 

 1915. Scapanus latimanus dilatus Jackson, North Amer. Fauna No. 38, p. 72, 



Sept. 30, 1915. 

 Type Locality. — Fort Klamath, Klamath County, Oreg. Altitude, 4,200 feet. 

 Range. — South-central Oregon, northeastern California east from western end 

 of Siskiyou Mountains and western base of Sierra Nevada; extreme western 

 border of Nevada to central Douglas County (Hall, Mammals of Nevada, p. Ill, 

 July 1, 1946). Vertical range from 600 feet (at Dale's on Paine's Creek, Te- 

 hama County) to 8,500 feet (at Lake Helen, Shasta County, Calif.) ; zonal range, 

 Upper Sonoran to Hudsonian. 



