718 CENTURIO. DESMODONTIN^;. DESMODUS. 



WRINKLED-FACE BAT. 



Type locality. Unknown. 



Gcogr. Distr. Eastern Mexico, State of Vera Cruz, into Central 

 America to Costa Rica. Limits of range not determined. 



Genl. Char. Those of the genus. 



Color. Yellowish brown, tips of hairs grayish; a white spot on 

 shoulder. 



Measurements. Length of head and body, 50.5-75; forearm, 

 40-53; thumb, 10-12.5; third finger, 80-93; fourth finger, 60; fifth 

 finger, 42; tibia, 16-20.5; foot, 10-11; ear, 11-16.5; tragus, 3.5-7.5. 

 Skull: total length, 17; zygomatic width, 14.7; interorbital width, 5; 

 height of braincase, 11.5; palatal length to incisive foramina, 3. 



The Desmodont group contains but two genera, comprising the 

 species of blood-sucking bats, the real Vampires, whose teeth and 

 alimentary canal are modified so as to be adapted to their food. 



Subfam. VI. Desmodontinse. 

 171. Desmoclus. 



Desmodus Wied, Abbild. Naturgesch. Brasil., 5te Lief., 1824, pi. Id. 

 Beitr. Natur. Bras., n, 1826, p. 231. Type Desmodus rufus 

 Wied=Phyllostoma rotundum Geoffrey. 



Muzzle short, conical; nose-leaf distinct; nostrils opening on its 

 surface, and numerous ridges bounding it behind; deep V-shaped 

 groove on lower lip extending to chin; ears separate, short; tragus 

 longer than broad, acute; upper incisors large, their longest side con- 

 cave, sharp; canines smaller than incisors; lower incisors small, bifid, 

 with a space between them and the canines, and also between them 

 in front; premolars small; interfemoral membrane not extending to 

 heels; no calcaneum; no tail. 



675. rotundus (Phyllostoma) , E. Geoff., Ann. Mus. Hist. Nat., 1810, 



p. 181. 



ecaudatus (Rhinolophus*) , Schinz, Thiere., i, 1821, p. 168. 

 rufus (Desmodus}, Wied, Beitr. Naturg. Bras., 1826, p. 233. 

 cinerea D'Orbigny, Voy. de I'AmeV. Merid., iv, 1847, P- IJ P^ 



VIII. 



d'orbignyi Waterh., Voy. Beagle, Mamm., 1839-42, p. i, pis. i 

 and xxxv, fig. i. 



