218 
TYLOMYS. 
Fic. 36. TYLOMYS NUDICAUDUS. 
No. 77919 U. S. Nat. Mus. Coll. Enlarged '. 
LOWER TOOTH ROW. 
Enlarged 6 times. 
UprER TOOTH ROW. 
Enlarged 6 times, 
196. tumbalensis (Tylomys), Merr., Proc. Wash. Acad. Scien., II, 
ILQOIL, Pp. 500. 
TUMBALA RAT. 
[ype locality. Tumbala, State of Chiapas, Mexico. 
Geogr. Distr. Stat 
Char. Size large; ears large, naked; tail long. 
but more slender and weaker; molar 
e of Chiapas, Mexico. 
Genl. Skull simi- 
lar to that of T. nudicaudus, 
series large. 
