— a ae 
380 HETEROMYS. 
Color. Above drab brown, mixed with black and pale fulvous; 
lateral line fulvous; tail all dusky except basal third beneath which 
is paler. 
Measurements. Total length, 204; tail vertebre, 95 (broken); 
hind foot, 29. 
398. orbitalis (Liomys), Merr., Proc. Biol. Soc. Wash., xv, 1902, 
p. 48. 
CaTEMACO SPINY Mouse. 
Type locality. Catemaco, State of Vera Cruz, Mexico. 
Genl. Char. Size medium; skull broad, heavy; nasals suddenly 
expanding on anterior half; zygomata widely and squarely spread; 
rostrum short, sides parallel; superciliary beads developed, reaching 
to middle of parietals; hind foot 6-tuberculate. 
Color. Above dark brown, slightly grizzled with fulvous, 
blackish on middle of back; lateral line indistinct; hands, feet, and 
under parts white; tail above dusky, beneath whitish, tip all dark. 
Measuremenis. Total length, 225; tail vertebre, 109; hind 
foot, 29. 
399. crispus (Liomys), Merr., Proc. Biol. Soc. Wash., xv, 1902, 
p- 49. 
CurLy Spiny Mouwse. 
Type locality. Tonala, State of Chiapas, Mexico. 
Genl. Char. Size small; tail shorter than head and body, scantily 
haired; hind foot 6-tuberculate. 
Color. Above gray, sprinkled with white, darkest on dorsal 
region, the hairs with tips recurved; hands, feet, and under parts 
whitish; no lateral line; ears without white edges; tail dusky, paler 
beneath. 
Measurements. Total length, 210; tail vertebre, 99 (broken); 
hind foot, 27.5. 
a.—setosus (Liomys), Merr., Proc. Biol. Soc. Wash., xv, 1902, p. 49. 
HuEHUETAN SPINy Mouse. 
Type locality. Huehuetan, State of Chiapas, Mexico. 
Genl. Char. Similar to H. crispus, but with coarser pelage; tail 
longer; skull larger, and with its characters correspondingly inten- 
sified; nasals more cuneate, truncate posteriorly. 
Color. Like H. crispus, but darker and with fewer recurved hairs. 
Measurements. Total length, 225; tail vertebre, r1o; hind 
foot, 209. 
400. heterothrix (Liomys), Merr., Proc. Biol. Soc. Wash., xv, 1902, 
P. 50. 
