FIELD BOOK OF MAMMALS 



Found on "Inner ridge of the Coast Ranges along west side 

 of the San Joaquin Valley, Cal." (Bailey) 

 Los Bancs Pocket Gopher. — Thomomys hottcs angulans (Mer- 

 riam). 

 Size of, but brighter than, typical hottce. Upperparts (sum- 

 mer) bright ochraceous buff, with only few black-tipped 

 hairs; black or dusky about nose, cheeks, and ears. Winter 

 pelage with more black-tipped hairs. Total length, males, . 

 10.3 inches, females, 8.2; tail vertebrae, males, 2.3 inches, I 

 females, 2.6; hind foot, males, 1.3 inches, females, i.i. 

 Found on "West side of San Joaqum Valley, Cal., from 

 Tracy south to Santiago Spring; also Santa Clara, San Juan, 

 and Salinas Valleys." (Bailey) , 



Fresno Pocket Gopher. — Thomomys hotta pascalis (Memam). 

 Resembling typical hottcB in size. Upperparts (winter) dull 

 ochraceous, not much black on nose, face, and ear patch ; 

 underparts pale ochraceous, often irregularly spotted with 

 white along legs, throat, and abdomen. Summer pelage 

 brighter and more fulvous. Total length, males, 8.8 

 inches, females, 7.8 inches; tail vertebrae, males 2.9 inches, 

 females, 2.5; hind foot, males, 1.3 inches, females, i.i. 

 Found along "East side of San Joaquin Valley, Cal., from 

 Stockton south to San Emigdio Canyon and Cuyama 

 Valley." (Bailey) „ -m. j 



Grapeland Pocket Gopher. — Thomomys hottcB pallescens Rhoads. 

 Nearly same size as typical bottcE, but paler in color. Upper- 

 parts (winter) dull ochraceous, with many black-tipped 

 hairs- underparts pale buffy to nearly whitish. Summer 

 pelage with less black. Total length, males, 10.7 inches, 

 females, 8.3; tail vertebras, males, 3.4 inches, females,^ 2.6; 

 hind foot, males, 1.3 inches, females, i.i. Found m "San 

 Bernardino Valley, Cal. , north to San Fernando. ' ' (Bailey) 



Carrizo Plain Pocket Gopher. — Thomomys bottce infrapallidus 



(Grinnell). . . ,. 1 • 1 tt 



ResembHng typical hottcB m size, but paler m color. Upper- 

 parts (summer) dull ochraceous buff; underparts pale buffy 

 to whitish. Total length, males, 9.9 inches, females, 8.2; 

 tail vertebrse, males, 3 inches, females, 2.8; hmd foot, males, 

 1.36 inches, females, 1.16. Found on the Carrizo Plain, 

 California. . . /-ni j n 



Stephens Pocket Gopher. — Thomomys botta nigncans (Rhoadsj. 

 Much like typical botta except for smaller size. Upperparts 

 (winter) dark ochraceous tawny, heavily sprinkled with 

 black-tipped hairs; underparts rich ochraceous, but with 

 dark color of underfur showing through. Summer pelage 

 lighter and with more tawny than winter. Total length, 

 males 9.3 inches, females, 8; tail vertebras, males, 3.1 

 inches, females, 2.6; hind foot, males, 1.2 inches, females, 

 I I Found in "Southwestern California and northern 

 Lower California, from the San Jacinto Mountains, Cal, 

 south to Ubar, Lower California." (Bailey) 

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