376 HETEROMYS. 
Fic. L. HETEROMYS ALLENI. ALLEN’S SPINY MOUSE. 
389. alleni (Heteromys), Coues, Bull. Mus. Comp. Zodl., vit, 1881, 
Pp: LO7- 
ALLEN’s Spiny Mouse. 
Type locality. Hacienda Angostura, Rio Verde, State of San 
Luis Potosi, Mexico. 
Geogr. Distr. State of San Luis Potosi, Mexico. 
Genl. Char. Soles hairy, 5-tuberculate; tail long; pelage coarse, 
with flattened spines intermixed in the hairs; incisors yellow. 
Color. Above blackish, the hairs having buff bases and tips 
black, the lighter color showing amid the darker one; narrow lateral 
line from nose to thighs bright buff; under parts white; upper part 
of arms and thighs like back; hands and feet white; ears like back, 
edged with white; lips white; tail bicolor, above black, beneath white. 
Measurements. Total length, 238-260; tail, 115-136; hind foot, 
28-30. 
390. torridus (Liomys), Merr., Proc. Biol. Soc. Wash., xv, 1902, 
Pp. 45. 
TorRID Spiny Mouse. 
Type locality. Cuicatlan, State of Oaxaca, Mexico. 
Genl. Char. Size small; arms whitish, hind foot 5-tuberculate. 
Color. Above gray, grizzled with black, forming saddle on the 
back; lateral line indistinct; arms, hands, feet, and under parts 
whitish; tail above dark. beneath whitish, tip all dark. 
