otopterus. vampyrus. chrotopterus. 511 



Buller's Large-eared Bat. 



Type locality. Bolaiios, State of Jalisco, Mexico. 



Geogr. Distr. State of Guadalajara to States of Durango and 

 Chihuahua, west to the Tres Marias Islands, State of Jalisco. 



1233. Otopterus pygm^eus (Rehn). 



Macroius pygmceus Rehn, Proc. Acad. Nat. Scien. Phil., 1904, 



P- 444- 

 Little Large-eared Bat. 



Type locality. Izamal, Yucatan. 



Geogr. Distr. Known only from the type locality. 



Genl. Char. Size very small; skull with broad and flat interor- 

 bital region; teeth large; ear rounded, internal margin arcuate; tragus 

 lanceolate, tip blunt, slight basal accessory longitudinal lobule on 

 external margin; nose leaf high, lanceolate; width of nose pad twice 

 that of its height ; nostrils slightly crescentic ; shallow median depres- 

 sion on the triangular pad on chin. 



Color. Above mars brown, basally grayish white; beneath ecru 

 drab, unicolor; wing membrane clove brown. 



Measurements. Total length, 79.3; forearm, 35.5; thumb, 10; 

 third finger, 65.5; tibia, 14.9; calcaneum, 9; foot, 10.5; tail, 28; ear, 

 17.2; tragus. 7. Skull: greatest zygomatic width, 9.2; interorbital 

 width, 4.2; height of braincase, 7.6; width of braincase above the 

 roots of zygomata, 8; length of palate, 8; width of palate, 6.5; length 

 of mandible, 12.8. 



Genus 185. \ aiiipyriis. 



Vampyrus Leach, Trans. Linn. Soc, xiii, 182 1, p. 79. Type Vesper- 

 tilio spectrum Linnaeus. 



1234. Vampyrus spectrum (Linnaeus). 



Vespertilio spectrum Linn., Syst. Nat. i, 1758, p. 31; i, 1766, p. 46. 



Vampyrus spectrum Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. ^r. Pub., IV. Pt. II, 1904, p. 656, fig. 135. Zool. Ser. 

 Specter Bat. 



Type locality. South America. 



Geogr. Distr. Guatemala, Central America to Brazil, South 

 America; Island of Jamaica. 



Genus 186. t'hrotopterus. 



Chrotopterus Peters, Monatsb. K. Preuss. Akad. Wiss. Berl., 1865, 

 p. 505. Type Vampyrus auritus Peters. 



