THOMOMYS. 



708. Thomomys baileyi Merriam. 



Thomomys baileyi Merr., Proc. Biol. Soc. Wash., xiv, 1901, p. 109. 

 SIERRA BLANCA POCKET GOPHER. 



Type locality. Sierra Blanca, El Paso County, Texas. 



1 1 ''ill. Char. Size small; upper incisors projecting forwards. 

 Skull resembles that of T. toltecits but differs in the projecting incisors, 

 and longer nasals, wider interorbital region, and more open post- 

 coronoid notch of mandible. 



Qolor. Above buffy fulvous lined with black; beneath buff; 

 mouth dusky; pouches and feet white. 



Measurements. Total length, 212 ; tail vertebra?, 168 ; hind foot, 30. 



709. Thomomys nelsoni Merriam. 



Thomomys nelsoni Merr., Proc. Biol. Soc. Wash., xiv, 1901, p. 109. 



Elliot, Mamm. Middle Amer. & W. Indies, F. C. M. Pub., iv, 



Pt. i, 1904, p. 339. ZoOl. Ser. 

 XKLSON'S POCKET GOPHER. 



Type locality. Parral, State of Chihuahua, Mexico. 



Geogr. Distr. State of Chihuahua, Mexico. Range unknown. 



710. Thomomys latirostris Merriam. 



Thomomys latirostris Merr., Proc. Biol. Soc. Wash., xiv, 1901, p. 107. 

 BROAD-NOSED POCKET GOPHER. 



Type locality. Little Colorado River, Painted Desert, Coconino 

 Count}', Arizona. 



Geogr. Distr. Arizona. Range unknown. 



Genl.Char. Size medium; rostrum broad; nasals shorter than 

 the premaxillae; interparietal pentagonal. 



Color. Above pale ochraceous buff; under parts, feet, and tail 

 whitish. 



Measurements. Total length, 232; tail vertebrae, 79; hind foot, 33. 



711. Thomomys perpallidus (Merriam). 



Thomomys talpoides perpallidus Merr., Science, vin, iSSh. p. 588. 

 Tliomomys perpallidus Elliot, Syn. N. Am. Mamm., F. C. M. 1'ub., 

 n, 1901, p. 229. Zool. Ser. /(/. Mamm. Middle Amcr. cV \Y. 

 Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 340. Zool. Ser. 

 PALE POCKET GOPHER. 



Type locality. Colorado Desert. San Diego County, California. 

 Geogr. Distr. Lower California, Mexico, Colorado Desert, south- 

 ern California, and northeastward to the Painted Desert, Arizona. 



712. Thomomys *cabezona? Merriam. 



Thomtnn\ ibezoncB Merr., Proc. Biol. Soc. Wash., xiv, 1901, p. 1 10. 



Mr. Heller in bis letters spells tin- name uf the place I'mm \vhich this 

 sp> ' m/on. 



