6. VA.11PXEU9. 469 



Length, head aud body about 2"-5, tail l"-5, head 0"-6, ear 

 0"-65, tragus 0"-3, nose-leaf 0"-5, forearm l"-5, thumb 0"-3 ; third 

 finger— metacarp. l"-4, 1st ph. 0"-5, 2nd ph. 0"-65, 3rd ph. 0"-4; 

 fourth finger— metacarp. l"-3, 1st ph. 0"-4, 2nd ph. 0"-52 ; fifth 

 finger— metacarp. l"-4, 1st ph. 0"-35, 2nd ph. 0"-45 ; tibia 0"-7, 

 calcaneum 0"-75, foot 0"-5. 



Hah. Brazil (Bahia ; Mucuri Eiver). 



The above description has been taken from the specimen in the 

 collection of the Paris Museum, figured by Gervais. 



a. ad. sk. Bahia. Comte de Castelnau [C.]. 



h. skull of a. 



6. VAMPYRUS. 



Vampyrus, Geoffroy, Leach, Trans. Linn. Soc. xiii. pp. 74, 75 (1822) ; 

 Tomes, P. Z. S. 1861, p, 104 ; Peters, MB. Ahad. Berl. 1865, 

 p. 504. 



Muzzle narrow, elongated ; crown of the head slightly elevated ; 

 nose-leaf moderate, horseshoe-shaped membrane well developed, with 

 expanded free edges ; lower lip widely grooved in front, with a 

 raised naked longitudinal ridge on either side of the groove ; ears 

 large, separate, outer margin of the ear-conch terminating shortly 

 in front of the base of the tragus ; tragus elongated, with prominent 

 external marginal processes ; tail very short or none ; interfemoral 

 membrane weU-developed ; wings from the base of the outer toes, 

 attached to the backs of the feet as in the family Pteropodidae ; the 

 first phalanx of the middle finger more than half the length of the 

 metacarpal bone and nearly as long as the second phalanx. 



7^ .-,• T 4 4 1—1 2—2 3—3 



JJentition. Inc. -^ or -^, c. j^, pm. ^^, m. 3^. 



Lower outer incisors external to the tooth-row or absent ; molars 

 rather narrow, with well-developed W-shaped cusps. Skull long 

 and narrow in front ; but its breadth at the antei'ior extremities of 

 the nasal bones is greater than between the temporal fossae. 



Range. Neotropical Region (AntiUean, Mexican, and Brazilian 

 Subregions). 



Synapsis of Subgenera and Species. 



I. Tail none ; incisors -j Subgenus Vampyhus. 



a. The second lower premolar nearly as 



large as the first, in the tooth-row ; 



forearm 4"-2 1. V- spectrum, p. 470. 



II. Tail short ; incisors j Subgenus Cheotoptebus. 



b. The second lower premolar consider- 



ably smaller than the first and drawn 



inwards ; forearm 3"'2 2. V. aurittis, p. 471. 



