50 Merriam. New Pocket Mice from Mexico. 



Liomys heterothrix sp. nov. 



Type from San Pedro Sula, Honduras. No. 90,161 $ ad., U. S. Na 

 tional Museum, Biological Survey Collection. Collected July 16, 1897 

 by J. C. Ingersoll. Original No. 20 (884x). 



Characters. Size medium, a little larger than L. crispus setosus, its 

 nearest known relative; tail nearly naked, about equaling head and 

 body; color grizzled brownish, the blackish dorsal bristles overlaid by 

 slender protruding hairs with recurved rusty tips; ears without edging; 

 hind foot with 6 pads. 



Color. Upperparts dark drab brown, grizzled with black-tipped bris 

 tles and much more conspicuously with slender ferruginous-tipped hairs 

 which protrude beyond the other hairs and are more or less recurved; 

 underparts and feet yellowish white; tail dark, indistinctly paler below. 



Cranial characters. Skull similar to that of L. crispus setosus from 

 Huehuetan, Chiapas, but somewhat larger and heavier, and broader 

 across anterior roots of zygomata. 



Measurements. Type specimen: total length 255; tail vertebrae 126; 

 hind foot 31. 



