CHROTOPTERUS. PHYLLOSTOMA. 165 



Genus Chrotopterus (186). 



Chrotopterus auritus (Peters). 



Vampyrus auritus Peters, Monatsb. K. Preuss. Akad. Wiss. Berlin, 



1856, p. 415, pi. n, figs. 1-5. 

 Peters 's Vampire Bat. 



Type locality. Mexico. 



Geogr. Distr. Mexico to Brazil. 



Genl. Char. Smaller than C. spectrum; ears large; outer incisors 

 very small; lower incisors chisel -shape, indistinctly notched; first, 

 and second upper premolar very small. 



Color. Above, hairs dark brown at their bases, and whitish at their 

 tips; beneath grayish brown, the hairs darkest in the middle. 



Measurements. Total length, 106.6; ear, 40.6; tragus, 11.4; 

 nose-leaf, 16.4; forearm, 85; tibia, 36.2; foot, 25. 



Genus Phyllostoma (191). 



Phyllostoma verrucossum Elliot. 



Phyllostoma verrucossum Elliot, Proc. Biol. Soc. Wash., XVIII, 

 1905, P- 236. 



Type locality. Niltepec, State of Oaxaca, Mexico. 



Geogr. Distr. 



Genl. Char. Size small: V-shaped groove on lower lip margined 

 with eleven to thirteen warts; ears as in the genus; calcar shorter 

 than foot. Skull compared with that of P. hastatum is relatively 

 broader interorbitally and the rostrum narrower anteriorly, while the 

 upper occipital outline is continuous. 



Color. Fore part of head above and face from ears to end of nose 

 dark fawn becoming brownish around eyes; band from behind ears 

 and over the center of the back dark russet; back of head and nape 

 very dark mummy-brown; chin, throat and breast whitish buff; rest 

 of underparts olive-gray with a pinkish tinge on the sides; ears, mem- 

 branes, feet and tail, blackish brown. In some specimens the throat 

 is ochraceous-buff. Ex type in Field Museum of Natural History. 



Measurements. Total length, 105; tail vertebras, 15; foot, 17.5; 

 ear, 20; forearm, 52.25. Skull: Total length, 32; Hensel, 22; zygo- 

 matic width, 17; palatal length, 13; length of nasals, 4; length of 

 upper molar series, 7; length of mandible, 20; length of lower molar 

 series, 9. Ex type in Field Museum of Natural History. 



