OTOPTERUS. 
o 
or 
to 
Macrotus Gray, Proc. Zoédl. Soc., 1843, p. 21. (nec Leach, 
Vespertil., 1816. nec Dej. Coleopt., 1833. mec Reid, Mar- 
supialia, 1836.) Type Macrotus waterhousit Gray. 
Ears large, united above and between eyes by membrane; tragus 
acute, elongated; nose-leaf shaped like a horseshoe in front, triangular 
behind; lower lip grooved, triangular wart in front; antebrachial 
membrane developed; tail elongate, tapering, projecting beyond 
margin of interfemoral membrane. 
KEY TO: THE SPECIES. 
A. Ears longer than the head. 
a. Forearm over 50 mm. 
a.’ Above dark reddish brown; yellow patch PAGE 
(esiiggl cen 6 6s Cok Ca RR Re ae oe ath Ce A O. waterhousit 652 
b.’ Above dark grayish brown ............ O. mexicanus 653 
bi Fereartn under, sGemnr.<...,. 203.45). he en O. californicus 653 
B. Ears as long as the head. 
av Horearm: over#o mm... cco. os iA oe ee O. bocourtianus 654 
b: Borearnt tinder som y 2c. Uk oe eee: os eee a O. bullert 654 
Fic. CIX. OTOPTERUS WATERHOUSII. 
ex Dobson, Cat. Chiroptera. 
614. waterhousii (Macrotus), Gray, Proc. Zoél. Soc., 1843, p. 21. 
WATERHOUSE’S LARGE-EARED Bat. 
Type locality. Island of Haiti. 
Geogr. Distr. Islands of Cuba, Haiti, and Jamaica, West Indies. 
Genl. Char. Similar to O. mexicanus, but color different; mem- 
branes darker; nose-leaf blackish. 
Color. Above dark reddish brown, grading into yellowish brown 
on a patch-like surface on each side of the posterior part of the dorsal 
region; base of fur white, also at base of ears posteriorly; under parts 
pale gray; ears brown; membranes black. 
Measurements. Total length, 91.2; tail, 26.4; forearm, 50.8; 
thumb, 8.9; third finger, metacarpal, 38; fourth finger, metacarpal, 
