FAUNA AMERICANA. 21 



LAPHA," one of the characters of which is, " no in- 

 cisors in either jaw !" Vid. prod, de Semiologie. 

 Amer. Month. Mag. 

 Inhabit New York. 



Species. 



2. Vespertilio pricinosus, Say. Major Long's 

 Expedition to the Rocky Mountains, vol. 1. p. 167. 



• 



Ears large, short, not so long as the head, hairy 

 on the exterior side, more than half their length; 

 tragus, very obtuse at tip, arcuated ; canine teeth 

 large, prominent ; incisors one on each side, placed 

 ver}' near the canine, conical, almost on a line 

 w^ith it, and furnished with a small tubercle on its 

 external base ; nostrils distant ; fur on the back, 

 black brown at base, then pale brownish-yellow, 

 then blackish, then white; towards the rump dark 

 ferruginous ; dull yellowish-white on the throat ; 

 wing-membrane, on the anterior lower margin, 

 hairy; interfemoral membrane, covered with fur; 

 length nearly four inches and a half. 



Inhabits the Western States, and has been ob- 

 served in Pennsylvania. 



.3. Vespertilio arquatiis, Sa3^ Long's Exp. (ut 

 supra.) 



Head large ; ears rather shorter than the head, 

 wide, and at tip rounded, hairy at base ; posterior 

 edge Vf'iih. two slight obtuse emarginations ; the 

 anterior base distant from the eye ; tragus arcuat- 



