294 NEOTOMODON. TEANOPUS. 



Color. Summer Pelage. Above grayish buff, dorsal band blackish ; 

 sides buffy; under parts white, breast tinged with buffy; tail above 

 dusky, beneath white; hands and feet white. 



Measurements. Total length, 212 ; tail vertebrae, 91 ; hind foot, 24. 



298. orizabas (N eotomodon) , Merr., Proc. Biol. Soc. Wash., xn, 



1898, p. 129. 

 MOUNTAIN WOOD RAT. 



Type locality. Mt. Orizaba, State of Puebla, Mexico. Altitude, 

 9,500 feet. 



Geogr. Distr. State of Puebla, Mexico. 



Genl. Char. Smaller than the other species, and with shorter tail. 



Color. Above buffy gray; under parts white, chest buffy; tail 

 above brownish, beneath white; hands and feet whitish. 



Measurements. Total length, 194; tail vertebrae, 81 ; hind foot, 24. 



299. alstoni (Neotomodon), Merr., Proc. Biol. Soc. Wash., xn, 1898, 



p. 127. 

 ALSTON'S WOOD RAT. 



Type locality. Nahuatzin, State of Michoacan, Mexico. 



Geogr. Distr. States of Michoacan, Morelos, and Mexico, Mexico. 

 Altitude, 8,500 feet. 



Genl. Char. Size moderate ; ears large ; tail shorter than head and 

 body; hind feet large. 



Color. Above grayish to fulvous brown, darkest on back; under 

 parts plumbeous washed with white; breast tinged with buff; tail 

 above dusky, beneath whitish; hands and feet white. 



Measurements. Total length, 220; tail vertebrae, 101; hind foot, 

 26.5. Skull: occipito-nasal length, 33; Hensel, 25.5; zygomatic 

 width, 17; interorbital constriction, 4.5; length of nasals, 12; palatal 

 length, 14; length of upper tooth row, 6.5 ; length of mandible, 14.5. 



58. Teaiiopus. 



Teanopus Merr., Proc. Biol. Soc. Wash., 1903, p. 81. Type 

 Teanopus phenax Merriam. 



Ears large, nearly naked; tail long, thickly haired; soles of feet 

 covered with small tubercles. Skull: audital bullae greatly inflated, 

 like those of Xenomys; antorbital slits large and broadly open; 

 sphenoid vacuities open; braincase without temporal shield; angle 



