152 BULLETIN 57, UNITED STATES NATIONAL MUSEUM. 



Crowns of molars both above and below nearly 

 smooth; second upper molar without protoco- 

 nule ; upper canine with no secondary cusp. 

 Upper molars 3-3, the second with large meta- 



cone Vampyrops, p. 155. 



Upper molars 2-2, the second with metacone 



obsolete Vampyrodes, p. 156. 



First lower molar without postero-internal cusp, the 

 crown somewhat closely resembling that of last pre- 

 molar. 



Inner cusps of second lower molar very large, 

 their height about half width of crown. 



Lower incisors 2-2; surface sculpture on cheek 



teeth obsolete Tampyressa, p. 156. 



Lower incisors 1-1 ; surface sculpture on cheek 

 teeth well developed__ramp2/n'scttS, p. 156. 

 Inner cusps of second lower molar obsolete or ab- 

 sent. 



Second upper molar without median ridge; 

 second lower molar scarcely wider than ra- 

 mus of mandible, its crown with normal 

 though very low cusps and no median ridge. 

 Hesophylla, p. 158. 

 Second upper molar with median ridge ; sec- 

 ond lower molar with saucer-shaped crown 

 much wider than mandible and with two- 

 cusped median ridge Ectophylla, p. 159. 



Genus BRACHYPHYLLA Gray. 



1834. BracJiyphylla Gray, Proc. Zool. Soc. London (1833), p. 122, March, 



1834. 

 1878. BracJiyphylla Dobson, Catal. Chiropt. Brit. Mus., p. 540. 

 1898. BracJiyphylla H. Allen, Trans. Amer. Philos. Soc, n. s., XIX, p. 258. 



Type-species. — BracJiyphylla cavernarum Gray. 

 Geographic distribution. — Greater and Lesser Antilles. 

 Number of forms. — Two species of Brachyphylla are now recog- 

 nized. 



Characters. — Dental formula : 



-28.1.--34567 .2-2 1^ 2-2 m 3-3 = 3 



1 2 -. 1. - 2 - 4 5 6 1 % 2=2' ° 1=1' ^ 2-2' m 3=3 6 ^ 



Upper incisors very strongly contrasted in size and form, the inner 

 large with triangular crowns, higher than long, the front face convex, 

 the inner face concave, and with distinct cingulum. Though far 

 apart at root and apex, the inner incisors are strongly in contact where 

 widest, that is at the base of their crowns. Outer incisor minute, 

 rounded, flat crowned, barely extending beyond cingulum of canine 

 and of inner incisor, between which it is closely wedged. The incisors 

 thus completely fill the space between canines at level of cingula, 

 though their roots and tips are wide apart, a very unusual condition, 



