430 PROCEEDINGS OF THE ACADEMY OF [April, 



1S65. M[acrohis] Waterhousii Peters, Monatsb. K. Preuss. Akad. Wissensch., 

 Berlin, 1865, p. 503. 



1878. Macrotus waterhousii Dobson, Catal. Chiropt. Brit. Mus., p. 464. 

 [Haiti; St. Domingo; Jamaica.] (Part.) 



1879. Macrotus waterhousii Alston, Biol. Cent.-Amer., Mamm., p. 38. 

 (Part.) 



1896. Macrotus ivaterhousei Elliot. Field Columbian Museum Publication, 

 Zool. ser., Vol. I, p. 82. [San Domingo City, San Domingo.] 



Type Locality. — Haiti . 



Distribution. — Apparently restricted to the island of San Domingo 

 and Haiti. 



General Characters. — Size large; skull large; rostrum as wide ante- 

 riorly as the interorbital space; teeth rather hea\y and robust, the 

 first lower premolar thick, almost quadrate in basal outline; ears 

 whitish basally. 



Head. — Ears large, high; apex rounded yet with the angle apparent; 

 internal margin with the lower half strongly arcuate, the upper half 

 very slightly curved; internal ridge low, slight; external margin 

 slightly arcuate, a slight incision separating a small basal portion; 

 transverse plicae distinct, but not strongly marked ; tragus elongate- 

 lanceolate, apex acute, internal margin straight with a shght apical 

 emargination, external margin straight with a slight basal accessory 

 lobule ; connecting membrane distinct but not high. Eye medium in 

 size. Nose-leaf moderately high, acute, the margins of the pad free 

 and rounded; nostrils elliptical, directed inward and downward. 

 Lower lip with the pad with a distinct division. 



Ldmbs. — Forearm moderately long, considerably and e^-enly arcuate, 

 thumb large and comparatively free. Femora, tibiae and feet rather 

 long and heavy. 



Membranes and Fur. — Membranes rather heavy; propatagium 

 rather large basally, extending to the thumb as a subequal strip of 

 membrane with the margin totally free. Fur very long and silky, 

 thin on the interscapular and abdominal regions and practically absent 

 from the face, but otherwise regularly distributed; base of ears w4th 

 a short growth of fine woolly hairs; muzzle wdth a number of long 

 setiform hairs ; volar membranes almost unhaired. 



Color. — Above Prout's brown, the basal portion of the fur white, 

 latter exposed on the thinly furred interscapular region ; posterior 

 margin and short fur on the basal portion of the ears white ; below fawn 

 color, wdth a silvery "bloom" caused by the silvery- white tips of the 

 hairs. Volar and interfemoral membranes seal-brown; ears bistre. 



Skull.' — Robust and strongly built ; brain-case rounded, moderately 

 elevated ; rostrum considerably constricted Brain-case evenly vault- 



