274 THOMOMYS. 



675. Thomomys scapterus Elliot. 



Thomomys scapterus Elliot, Pub. Field Columb. Mus., iii, 1903, 

 p. 248. Zool. Ser. 

 Digger Pocket Gopher. 



Type locality. Hannopee Caiion, Panamint Mountains, Inyo 

 County, California. 



Geogr. Distr. Panamint, Coso and Inyo Mountains, Inyo County, 

 California. 



Genl. Char. Similar to T. operarius, but much darker in color, 

 and with much shorter nasals. 



Color. Upper parts and sides wood brown, heavily lined with 

 black on top of head and dorsal region, in some specimens nearly 

 forming a dorsal band; lower sides and entire under parts white, the 

 plumbeous under fur showing; hands and feet whitish, tail unicolor, 

 white; ears, and small spot behind ear, black. 



Measurements. Total length, 229; tail vertebrae, 74; hind foot, 

 29; ear, 6. Skull: total length, 37; Hensel, 33; zygomatic width, 23; 

 interorbital constriction, 6; greatest width of braincase, 9; palatal 

 length, 33; length of nasals, 10; anterior width of nasals, 5; length of 

 mandible, 24. 



676 Thomomys bottas (Eydoux and Gervais). 



Oryctomys bottce Eyd. and Gerv., Mag. Zool., vi, 1836, p. 23, pi. xxi, 



fig. 4. (teeth.) 

 Thomomys bottce Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 

 1901, p. 223, fig. 52. Zool. Ser. 

 Botta's Pocket Gopher. 



Type locality. Coast of California, Monterey. 

 Geogr. Distr. Central and southern California. 



a. Thomoviys hottce paUescens Rhoads. 



Thomomys botice pallescens Rhoads, Proc. Acad. Nat. Scien. Phil., 

 1895, p. 36. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 

 1901, p. 224. Zool. Ser. 

 Pallid Pocket Gopher. 



Type locality. Grapelands, San Bernardino Valley, California. 

 Geogr. Distr. Southern California. 



677. Thomomys laticeps Baird. 



Thomomys laticeps Baird, Proc. Acad. Nat. Scien. Phil., 1855, 

 p. 335. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 1901, 

 p. 224. Zool. Ser. 



