1908.] 



DR. KXUD AXDERSEX OX BATS. 



215 



■vvithGut forming a cusp-like projection (text-fig. 48). — (3) Cusp 4 

 (anterior cusp) of p^ more developed than in Artiheus, as a rule 

 forming a small, but distinct, pointed cusp in the unworn tooth ; 

 in Artibeus cusp 4 of p'' is practically completely wanting. — 

 (4) m^ is small, but not nearly reduced to the same degree as in 

 Artibeus, situated direct behind m', and almost (or quite) as broad 



Text-fig. 45. 



EnchistJienes Jiarfi, (? imm. Trinidad. Type, B.M. 92.9.7.J 

 A. Right upper, B. Left lower tooth-row. X x- 



Text-fig. 46. 



Artiheii^ planlrostris fallax, $ ad. Kanuku Mts., British Guiana. 

 B.M. 1.6.4.60. 



A. Eight upper, B. Left lower tooth-row. X \. 



For explanation of lettering of cusps see test, p. 205. 



as the hinder margin of m" (text-fig. 44 a) ; of the elements of m% 

 cusps 4 and 6 are clearly observable, cusps 5 and 7 only present 

 as mere rudiments; in cross section m^ is about six times the size 

 of a lower incisor, or i of m"; in Artibeus m^ when present, is 



