NYCTOMYS. 215 
Muzzle short; ears not hidden in fur, which is short and fine; feet 
short, broad; tail as long as body, hairy. Skull: rostrum very slender, 
short braincase and zygomata expanded; orbital space broad and a 
well-developed supraorbital crest; antorbital foramen large, opening 
forwards; palate only reaching to the forward margin of molar series; 
palatal slits short; mamme four 
Fic. 35. NYCTOMYS SUMICHRASTI. 
No. 12204 U.S. Nat. Mus. Coll. Twice nat. size 
UPPER TOOTH ROW LOWER TOOTH ROW 
Enlarged 8 times. Enlarged §& times. 
KEY TO THE SPECIES: 
PAGE 
A. Upper parts isabella or pale orange.........1 NV. sumtchrasti 216 
B. Upper parts brownish isabelline..............1 V. decolorus 216 
Cw Upper parts yellowish cinmamon.......2-..--J N. mitellinus 216 
PI I 4 
