372 HETEROMYS. 
Measurements. Total length, 220-230; tail vertebre, 115-123; 
hind foot, 27-28; ear, 13.5. Skull: total length, 30; basal length, 24; 
greatest mastoid breadth, 13.5; interorbital constriction, 7; length 
of nasals, 12; palatal length, 12. 
381. desmarestianus (Heteromys), Gray, Proc. Zodl. Soc., 1868, 
p. 204. - Alston, Biol. Centr. Amer., Mamm., 1, 1880) g5smee 
ple r7 ts. 1 
CoBAN SPINY Rat. 
Type locality. Coban, Guatemala. 
Geogr. Distr. Guatemala. 
Genl. Char. Ears moderate; teeth small, “‘upper flat, lower 
keeled, narrow in front.” 
Color. ‘‘Chestnut brown; tip of nape, lips, chin, and under side 
of the body, hands, and feet and under side of tail white; spines of 
back white with chestnut tips.’’ (Gray, 1. c.) 
Measurements. Total length, 247.5; tail, 118.5. 
382. longicaudatus (Heteromys), Gray, Proc. Zodl. Soc., 1868, 
pa 204. 
LONG-TAILED Spiny Rat. Tultusia in Guatemala, also applied to 
Heterogeomys torridus. 
Type locality. Mexico. 
Geogr. Distr. State of Oaxaca, Mexico; range unknown. 
Genl. Char. Tail long; no lateral line; soles 6-tuberculate. 
Color. Above blackish brown, in some specimens with rufous 
intermixed; sides dark drab brown, uniform, or mixed with rufous; 
limbs uniform in color with sides; under parts, hands, and feet white; 
tail above blackish brown, beneath yellowish. 
Measurements. Total length, 247.15; tail, 118.75. 
383. repens (Heteromys), Bangs, Bull. Mus. Comp. Zodl., xxx1x, 
TOO 2 VEDA TAS. 
BoOQUETE SPINY Rat. 
Type locality. Boquete, Chiriqui, Panama. Altitude, 4,000 feet. 
Genl. Char. Size large; feet large; soles 6-tuberculate. 
Color. Top of nose and face grayish dusky; upper parts of body 
mixed dusky, brown, and tawny ochraceous; no lateral line; upper 
lip, under parts, and inner sides of arms and legs white; upper sur- 
face of arms gray; outer surface of legs dusky; tail above dusky, 
beneath white, pencil whitish; ears dusky, bordered with whitish. 
Measurements. Total length, 282-300; tail vertebre, 145-155; 
hind foot, 32-33; ear, 14-15. Skull: type; basal length, 31.4; 
occipito-nasal length, 35.4; zygomatic width, 16.4; mastoid width, 
