654 OTOPTERUS. 
interorbital constriction, 4.5; palatal length, 9.5; length of mandi- 
ble; ae 
617. *bocourtianus (Macrotus), Dobson, Ann. Mag. Nat. Hist., 4th 
Ser, XVIUl Toya, p: 470. 
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 vertebre and half of the antepenul- 
timate vertebre, free; the free portion of tail nearly equal to the 
thumb in length.” Similar to O.waterhousti, 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, 11; inter- 
orbital constriction, 4; palatal length, 10; length of mandible, 16. 
618. bulleri (Macrotus), H. Allen, Proc. Am. Phil. Soc., xxvut, 18go, 
P- 73- 
BULLER’S LARGE-EARED Bat. 
Type locality. Bolaftios, 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 interauricular 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. caltfornicus.’’ (H. Allen, 
eves) 
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. 
