MAMMALIA. 17 



Carollia, Gray. The interfemoral membrane large, truncated ; tail none ; 

 face short; feet free to the hinder part of the ankle; thumb long, of two 

 equal long joints ; the front membrane of wing broad. 



Phyllostoma, Geoff. The interfemoral membrane large, truncated ; the 

 wing from the ankle ; tail moderate, enclosed, apex superior, medial. 



I do not know how Lophostoma, D'Orbigny, differs from this genus ; the tail 

 is short. 



Arctibeus, Leach. The interfemoral membrane deeply cut in • thumb of a 

 short and long joint ; tail none ; wings attached nearly to the base of the toes. 



Sturnia, Gray. The interfemoral membrane very narrow, marginal; tail 

 none ; thumb with lower joint short, upper elongate. 



VI. The ears separate, on the side of the head ; forehead simple, convex ; nose- 

 leaf short, simple or bifid, with a deep groove behind it ; the chin with a broad 

 triangular bald space in front. Head moderate. South America. 



Brachyphyllum, Gray. Interfemoral membrane short, deeply cut in, two- 

 rayed ; tail very short ; nose-leaf ovate, surrounded by a deep groove behind. 



Stenoderma, Geoff. Interfemoral membrane and tail none ; nose-leaf 

 small, nicked in front ; thumb elongate, thick, free to the base ; feet free. 



I do not know how Desmodus, Pr. Max., JEndostoma, D'Orbigny, Diphyllia, 

 Spix, differ from this genus. M. Temminck has regarded Stenoderma of Geoffroy 

 as a young Dysopes, though it has no interfemoral membrane nor tail. Messrs. 

 Blainville and Waterhouse have shown that Stenoderma has no true grinders, and 

 the latter describes the intestines as very short and straight. According to Mr. 

 Darwin, these bats attack and suck the blood from living animals; and Mr. 

 Blyth states that the Megadermata of India attack and suck the blood from 

 smaller bats. 



The Large-eared Phyllophora. — Phyllophora megalotis. 



Plate V. fig. 2. 



Phyllophora megalotis, Gray, Ann. and Mag. Nat. Hist. 184.2, 257. List Mam. Brit. Mus. 20. 



The groove on the lower lip not fringed on the edge- Fur blackish, rather paler beneath. 

 Nose-leaf large, ovate lanceolate, longer than broad. Ears very large, as long as the head, 

 rounded. 



Inhab. Tropical America. 



In. Lin. 



Length of the body and head 2 



of the fore-arm bone 1 3 



