NYCTINOMOPS. 627 



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

 South America. 



Genl. Char. Ears united by a low band, antitragus as high as 

 long; ears joined together only by the bases of their inner margins; 

 tragus very small ; lower incisors 2-2 : no gular sac. 



Color. Dark brown above and beneath extending on to wing 

 membranes along side of body. 



Measurements. Total length, 78.7; tail, 26.6; tail free from 

 membrane, 17.7; forearm, 45.7; thumb, 7.6; third finger, metacarpal, 

 43; fourth finger, metacarpal, 41.9; fifth finger, metacarpal, 25.4; 

 tibia, 12.7; foot, 8.8; tragus, 2.5. 



588. depressus (N yctinomus) , Ward, Am. Nat., xxv, 1891, p. 747, 



fig- 

 macrotis nevadensis (Nyctinomus), H. Allen, Mon. N. Am. Bats, 



1894, p. 171. 

 TUCUBAYA FREE-TAILED BAT. 



Type locality. Tucubaya, Federal District, Mexico. 



Geogr. Distr. Known only from the type locality. 



Genl. Char. Ears large, outer margin bilobate; tragus straight; 

 conch with seven diagonally transverse flutings; nostrils opening 

 forward; five flutings on face extending to lip; furrow beneath eye; 

 wing membrane from tibia and calcanea ; outer edges of first and fifth 

 toes fringed with short hairs; gular pouch absent. Upper incisors 

 semi-conical, lower bifid; canines long; first premolars, above and 

 below, smaller than second, and these larger than molars; cusps 

 acute. 



Color. Above burnt umber; beneath Prout's brown; base of hairs 

 white. 



Measurements. Total length, 79; tail vetebrae, 52; beyond inter- 

 femoral membrane, 33; forearm, 60; thumb, 8; second finger, meta- 

 carpal, 55; third finger, metacarpal, 58; fourth finger, metacarpal, 

 56; fifth finger, metacarpal, 29; tibia, 18; foot, 13; ear, 25; tragus, 4.5. 



589. macrotis (Nyctinomus*), Gray, Ann. Nat. Hist., iv, 1839, p. 5. 

 auritus Natt., Wagn., Wiegm. Archiv. f. Naturg., 1843, P- 3 68 - 

 laticaudatus et CCECUS, Rengg., Saugeth. Parag., 1830, p. 88. 

 aurispinosis Peale, U. S. Expl. Exp., vin, 1844, p. 21. 



CUBAN FREE-TAILED BAT. 



Type locality. Cuba. 



Geogr. Distr. Islands of Cuba and Jamaica, West Indies to Brazil 

 and Paraguay. 



Genl. Char. Ears thin; keel of ear conch slender, deep, bent 



