ICO PEROPTERYX. CEXTROXYCTERIS. DIRIAS. 



Genus Peropteryx. 



Peropteryx canina phaea (\. M. Allen. 



Peropteryx canina phaa G. M. Allen, Bull. Mus. Comp. Zool., LIV, 



IQII, p. 222. 



Type locality. Point Saline, Grenada, Lesser Antilles. 



Genus. Centronycteris. 



Centronycteris centralis Thomas. 



Cculronyctcris ccntralis Thos., Ann. and Mag. Nat. Hist., Scr, 8, X, 



1912, p. 638. 

 Type locality. Bogava, Chiriqui, Panama. 



Family Noctilionidae. 



Genus Dirias. 



Dirias Miller, Proc. Biol. Soc. Wash., XIX, 1904, p. 84. Type 

 Noclilio albivcntcr Spix. 



Dirias minor Osgood. 



Dirias minor Osgood, Field Mus. Nat. Hist. Pub., 149, X, 1910, 

 p. 30; Nelson, Proc. Biol. Soc. Wash., XXV, 1912, p. 93. 



Type locality. Encontrados, Zulia, Venezuela. Ranges to Pan- 

 ama, having been taken at Empire, Canal Zone, Feb. 16, 1912. 



Genl. Char. Allied to D. albivcnler but smaller. 



Color. Alcoholic. Upperparts pale Prout's-brown; a whitish 

 median line from intcrscapular region to tail; undcrparts tawny olive; 

 membrane pale Prout's brown. Ex type in Field Museum of Natural 

 History. 



Measurements. Total length, 79; tail, 12; ear, 20.5; forearm, 

 58.4; thumb, 10; tibia, 21.5; calcar, 30.5; foot and claws, 15.6. 

 Skull: Total length, 18.5; zygomatic width, 14.6; intertemporal 

 width, 5.6; length of upper molar series, 6; length of mandible, 12.7; 

 length of lower molar scries, 6.8. Ex type in Field Museum of Natural 

 History. 



