60 Miller A New Genus of Sac -Winged Bats. 



shows them of normal size for members of the group. No mention is made 

 of the hypocones of the upper molars, but these cusps are unmistakably 

 indicated ih the plate. 



Myropteryx pullus sp. nov. 



Type. Adult female (in alcohol). Eoyal Museum of Natural History, 

 Berlin. Collected in Surinam, by Kappler. 



Characters. General appearance much as in Peropteryx canina, but 

 larger, and with broader head, less pointed muzzle, and slightly smaller, 

 much more widely separated ears (distance between ears about one-fifth 

 height of ear from crown in Peropteryx, about one-half in Myropteryx). Ear 

 of essentially the same form as that of Peropteryx canina, but antitragus 

 less distinctly marked off, and tragus broader and a little bent forward 

 owing to slight concavity of anterior border. Color when dried mummy- 

 brown above, cinnamon, tinged with drab below, the hairs everywhere 

 becoming lighter at extreme base, and those of back faintly darker at tip. 



Measurements. Type: Total length, 67; (61)*; tail, 12 (13); tibia, 16 

 (16) ; foot, 6.8 (7); forearm, 43.6 (45) ; thumb, 9 (9) ; second finger, 37.6 

 (37) ; third finger, 76 (75) ; fourth finger, 52 (51) ; fifth finger, 51 (49) ; 

 ear from meatus, 14.4 (14) ; ear from crown, 11.4 (11) ; width of ear, 10.4 

 (10.4). 



* Measurements in parenthesis are those of an adult male from the type locality 



