652 OTOPTERUS. 
Macrotus Gray, Proc. Zool: Soc:, 1843, p. 202 (mee) Weach 
Vespertil., 1816. nec Dej. Coleopt., 1833. nec Reid, Mar- 
supialia, 1836.) Type Macrotus waterhousi Gray. 
Ears large, united above and between eyes by membrane; tragus 
acute, elongated; nose-leaf shaped like a horseshoe in front, triangular 
behind; lower lp grooved, triangular wart in front; antebrachial 
membrane developed; tail elongate, tapering, projecting beyond 
margin of interfemoral membrane. 
KEY TO DHE SPECIES: 
A. Ears longer than the head. 
a. Forearm over 50 mm. 
a.’ Above dark reddish brown; yellow patch PAGE 
Onyhing backer & sen eh eee O. waterhousi 652 
be Above dark-crayashy brow sense O. mexicanus 653 
bs Eorearm tnder-4@ tants). ss ee ee ere O. californicus 653 
B. Ears as long as the head. 
a... AP Orearim: Over OO Milnes... uz et ay eee O. bocourtianus 654 
be Porearm under sot. crea eu ner) ee 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, 
