654 OTOPTERUS. 



interorbital constriction, 4.5; palatal length, 9.5; length of mandi- 

 ble, 15. 



617. bocourtianus (Macrotus), Dobson, Ann. Mag. Nat. Hist., 4th 



Ser., xvni, 1876, p. 436. 

 BOCOURT'S LARGE-EARED BAT. 



Type locality. Vera Paz., Guatemala. 



Geogr. Distr. Yucatan? Mexico, Guatemala. 



Genl. Char. "Front margin of nose-leaf illy defined, terminal leaf 

 narrow and pointed; last caudal vertebrae and half of the antepenul- 

 timate vertebras, free; the free portion of tail nearly equal to the 

 thumb in length." Similar to 0. waterhousii, but darker; ears 

 smaller. 



Color. Above uniform umber brown, tip of fur light brown and 

 base white ; under parts pale grayish brown ; membrane blackish when 

 folded, brown when expanded. 



Measurements. Total length, 90; forearm, 52; foot, 11.4; third 

 finger, metacarpal, 38; fourth finger, metacarpal, 35.5; tibia, 21.5; 

 ear, 25.4; tragus, 10; tail free from membrane, 10. Skull: occipito- 

 nasal length, 22; zygomatic width, 12; height of braincase, n; inter- 

 orbital constriction, 4; palatal length, 10; length of mandible, 16. 



618. bulleri (Macrotus), H. Allen, Proc. Am. Phil. Soc., xxvm, 1890, 



P- 73- 

 BULLER'S LARGE-EARED BAT. 



Type locality. Bolanos, State of Jalisco, Mexico. 



Geogr. Distr. States of Jalisco and Guadalajara, Mexico. 



Genl. Char. "Auricle scarcely longer than the head; internal 

 basal lobule rudimental and projects about a millimeter beyond the 

 juncture of the inter auricular membrane; tragus with convex anterior 

 border for basal two-thirds, and an abruptly acuminate apical third ; 

 outer border straight. Skull: Squamosal portion of zygoma not 

 more than one-half the size of that of M. calif ornicus ." (H. Allen, 

 I.e.) 



Color. Above sooty, basal two-thirds of fur white; beneath 

 gray, basal portion of fur whitish. 



Measurements. Length of forearm, 44; thumb, 5; first finger, 

 metacarpal, 44; second finger, metacarpal, 45; third finger, meta- 

 carpal, 32; fourth finger, metacarpal, 32; tibia, 16; foot, 13; tragus, 6. 

 Skull: occipito-nasal length, 29; zygomatic width, 9; interorbital con- 

 striction, 4; height of braincase, 8; palatal length, 8; length of man- 

 dible, 14. 



*The specimen here described was received at the Field Columbian Museum 

 in a small lot of skins and labeled Yucatan. 



