AMERICAN BATS OF THE GENERA MYOTIS AND PIZONYX 143 



Tyfe specimen. — ^Adult male (skin and skull), No. 133426, United 

 States National Museum (Biological Survey collection), collected at 

 Twining, Taos County, New Mexico, July 23, 1904, by Vernon Bailey. 

 Original number 8182. 



Distribution. — More arid parts of the species' range from eastern 

 Washington and Oregon to Wyoming, south to Colorado, New Mex- 

 ico, northern Chihuahua and southern California. (See map 10, 

 p. 136.) 



Diagnosis. — Size essentially as in Myotis volans longicrus; color 

 lighter and more yellowish. 



Color. — Nearly " ochraceous-buff " to " ochraceous-tawny " above, 

 pale buffy below ; the bases of the hairs everywhere blackish brown. 

 Ears and membranes blackish. 



Measurements. — For measurements see tables, pages 146 and 147. 



Specimens examined. — Total number 123, from the following 

 localities : 



ARIZONA: CMricahua Mountains, 1 skn (U.S.N.M.), 1 skin (F. M.) ; 

 Cooley's, White Mountains, 1 skin (A. M. N. H.) : Fort Wtiipple, 1 skin 

 (U.S.N.M.) ; Keam Canyon, 1 skin (U.S.N.M.) ; Little Spring, near 

 Flagstaff, 2 skins, 1 ale. (U.S.N.M.) ; San Francisco Mountain, 1 ale. 

 (U.S.N.M.); Santa Rita Mountains. 1 skin (U.S.N.M.). 



CALIFORNIA: Benton. Mono County. 1 skin (U. C.) ; Cabazon, Riverside 

 County, 1 skin (U. C.) ; Cuyamaca Mountains, San Diego County, 1 skin 

 (U. C.) ; Dudley, Mariposa County. 4 skins (U. C.) ; Dulzura. San Diego 

 County, 1 ale. (A. N. S. P.) ; Dutcli Flat, Placer County. 1 skin (U. C.) ; 

 Fort Tejon. Kern County. 6 skins (F. M.) ; Fyffe, Eldorado County. 2 

 skins (U. C.) ; Hot Springs Pass, Mono County, 1 skin (M. C. Z.) ; 

 Independence. Inyo County. 1 skin (U. C.) ; Inyo Mountains, 2 skins 

 (F. M.) ; Kearsage Pass, Inyo County, 1 skin (U. C.) ; Little Onion Val- 

 ley, Inyo County, 3 skins (U. C.) ; Los Angeles, 1 ale. (U.S.N.M.) ; 

 Monache Meadows. Tulare County, 1 skin (U. C) ; Mount Lassen, 1 ale. 

 (U.S.N.M.) ; Mount Shasta. 1 skin (U.S.N.M.) ; Mount Whitney, 2 skins 

 (M. C. Z.), 5 skins (F. M.) ; Nevada City, Nevada County, 1 ale. 

 (U.S.N.M.) ; Owens Lake, 1 ale. (U.S.N.M.) ; Pasadena, 2 skins (U. C.) ; 

 Panamint Mountains, Inyo County, 4 skins (U. C.) ; Pine Creek, Lassen 

 County, 2 skins (U.S.N.M.) ; San Bernardino Mountains, 3 skins (U. C), 1 

 skin (A. N. S. P.) ; San Emigdio, Tulare County, 1 ale. (U.S.N.M.) ; San 

 Jacinto Mountains, 1 ale. (U.S.N.M.) ; Santa Rosa Peak, San Bernardino 

 County, 3 skins (U. C.) ; Walker Pass, Eldorado County, 1 ale. 

 (U.S.N.M.) ; White Mountains, Inyo County, 5 skins (U. C). 



CHIHUAHUA: Colonia Garcia, 1 skin, approaching amotus (U.S.N.M.); 

 San Luis Mountains, 1 skin (U.S.N.M.). 



COLORADO: Coventry, 1 skin (U.S.N.M.); Grand Junction, 1 ale. 

 (U.S.N.M.). 



IDAHO: Inkom, 1 skin (U.S.N.M.); Malad. 1 skin (U.SN.M.) ; Mission, 

 1 ale. (U.S.N.M.) ; Snake River desert, 3 skins (U.S.N.M.) ; Warren, 1 

 skin (U.S.N.M.). 



MONTANA: Buffalo, 1 skin (U.S.N.M.) ; Emigrant Gulch, 1 skin, not typi- 

 cal (U.S.N.M.) ; Florence, 1 skin (U.S.N.M.). 



