SCOTOPHILUS. 
273 
Scotophilus, generic characters. — Facial disk 
more imperfect than the last ; conchal open- 
ing and operculum very small ; wings length- 
ened, the quills narrow, deeply notched on 
the inner wehs, fourth quill rather longest ; 
tarsi thinly clothed with feathers ; toes clothed 
with hairlike feathers, hare at the extremity. 
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