IN LIBERIA- 55 



The smallest Vesperur/o-sipecies hitherto recorded. Ears 

 rounded off, inner margin convex, outer margin straight 

 for its greatest part , then convex , terminating in a small 

 rounded lobe at a short distance behind the angle of the 

 mouth. Inner margin of tragus slightly concave , outer 

 margin convex , tip rounded off. 



Wings from base of toes, calcaneum long with projecting 

 tip; extreme tip of tail free. Interfemoral and wing-mem- 

 branes margined with white. 



Fur above black with brownish red tips, beneath black 

 with light brown tips. Ears and membranes black. 



Inner upper incisors bifid , outer incisors unicuspidate ; 

 lower incisors trifid. First upper premolar very small , hardly 

 visible from without; first lower premolar three fourth of 

 the size of the second premolar. 



Measurements of the adult male , in alcohol : 



Length of head and body 38 mM. 



» » tail 24 » 



» » ear 9 » 



» » tragus 4 » 



» » forearm /82 » 1 1 



» » thumb 5 » 



» » third finger 45 » 



» » fifth » 36 » 



» » tibia 10 » 



» » foot 5 » 



I call it after its discoverer, Mr. Stampfli. 



86. Vesper ugo tiamis, Peters. 



Sofore-place (Biittikofer and Sala) 5 Robertsport , Grand 

 Cape Mount (Buttikofer) ; Junk- and Du Queah River 

 (Biittikofer and Stampfli). 



Halt sich den Tag iiber in den Palmblatt-Dachern der 

 Negerhiitten auf und fliegt Abends in der Dammerung. 



Notes from ttie Leyden ]VIu.seuiii , Vol. X. 



