Leather-winged Bat; Twilight Bat 
Leather-winged Bat 
Dasypterus intermedius (H. Allen) 
Length. 5.60 inches. Expanse of wings, 16 inches. 
Description. Membranes thick and leathery. Fur light yellowish: 
brown, with plumbeous bases; slightly tipped with dusky. 
Range. Gulf States and Northern Mexico. 
Twilight Bat 
Nycticecus humeralis (Rafinesque) 
Length. 3.70 inches. Expanse of wings, 9 inches. 
Description. Ears and membranes thick and leathery, fur sparse 
and short, dull umber-brown above, lighter beneath. 
Range. South Atlantic and Gulf States, rarely northward to South- 
ern Pennsylvania. 
A common bat in the South, with habits essentially like 
those of other species. 

