OTOPTERUS. VAMPYRUS. CHROTOPTERUS. oil 



Buller's Large-eared Bat. 



Type locality. Bolanos, State of Jalisco, Mexico. 



Geogr. Distr. St^te of Guadalajara to States of Durango and 

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



1233. Otopterus pygmaeus (Rehn). 



Macrotus 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. Vainpyriis. 



Vampyrus Leach, Trans. Linn. Soc, xiii, 1821, 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. M. 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. (.^hrotopterus. 



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

 p. 505. Type Vampyrus auritus Peters. 



