ZYGODONTOMYS. 253 
PREY oO Dee sri ClLES, 
PAGE 
A. Upper parts yellowish brown and black.......... Groner. 253 
B. Upper parts mixed blackish brown and yellow- 
Mee UWS St wos eye sie al ge ate eee i ra ene Sea Z. chrysomelas 253 
C. Upper parts russet brown and dull ferrugineous .. Z. seorsus 254 
Fig. XL. ZYGODONTOMYS CHERRII. 
CHERRIE’S RICE RAT. 
245. cherrii (Oryzomys), Allen, Bull. Am. Mus. Nat. Hist., 1895, 
P1320: 
CHERRIE’S Rice Rat. 
Type locality. Boruca, Costa Rica. 
Geogr. Distr. Costa Rica, Central America; range unknown. 
Genl. Char. Size medium; tail less than length of head and 
body; pelage coarse. 
Color. Upper parts mixed yellowish brown and black, dorsal 
line darkest; sides grayish brown, beneath grayish white; tail above 
dusky brown, below grayish brown; feet and ears gray. 
Measurements. Total length, 214; tail vertebre, 92; hind foot, 
23; ear from crown, 12. Skull: total length, 30; basal length, 28; 
zygomatic breadth, 16; interorbital constriction, 6; breadth of brain- 
case; 13. (ex Type.) 
246. chrysomelas (Oryzomys), Allen, Bull. Amer. Mus. Nat. Hist., 
1897, P- 37- 
caliginosus (Hesperomys), Allen, Bull. Amer. Mus. Nat. Hist., 
1891, . 210. (nec Tomes.) 
