328 MAMMALIA : CHIROPTERA. L. 



562. VESPERTILIO Linnaeus.i (Lat., bat, from vesper, evening.) 



1079. V. subulatus Say. LITTLE BROWN BAT. Face small, 

 fox-like, with high forehead and pointed snout; ears large, oval, 

 twice the height of the erect tragus ; wings naked; interfemoral 

 membrane naked except at base ; face whiskered ; color dull olive- 

 brown. L. 3. E. 9. T. 1^. E. N. Am., abundant everywhere ; 

 very variable. (Lat., awl-shaped.) 



563. VESPERUGO Keyserling & Blasius. (Lat, vesper, 



evening.) 

 a. Teeth 36; molars |:|. ( Vesperides Coues.) 



1080. V. noctivagans (Le Conte). SILVER BLACK BAT. 

 Tragus almost as broad as high, scarcely one-third height of ear ; 

 femoral membrane entirely though scantily furred ; fur long and 

 silky, black, usually with silvery tips to the hairs. L. 3^. E. 12. 

 T. 1^. U.S. generally. (Lat., nox, night; vagans, wandering.) 

 oa. Teeth 34; molars f:f. (Vesperugo.) 



1081. V. georgianus (F. Cuvier). Tragus slender, erect, half 

 the height of the ear ; upper incisors about equal in size ; femo- 

 ral membrane one-third furred ; dark reddish brown, brighter for- 

 wards. L. 3. E. 9. T. l\. Maine to Texas ; chiefly southward. 

 aaa. Teeth 32; molars f. ( Vesperus Coues.) 



1082. V. serotinus (Schreber). LONG-EARED BAT. Tragus 

 never pointed, nearly half as high as ear; wings naked; interfe- 

 moral membrane furred at base ; ear more or less turned outward ; 

 upper lateral incisors small, scarcely visible. L. 3 to 4. E. 12. 

 T. 1^. Northern hemisphere, widely diffused ; the American form, 

 var. fuscus Beauvais, is said to be rather smaller than the European. 

 (l?u.). (Lat. of evening.) 



564. NYCTICEJUS Rafinesque. (^, night.) 



1083. N. crepuscularis (Le Conte.) TWILIGHT BAT. Ears 

 small, wide apart ; a small wart above eye ; fur rather scanty. 

 Dark fawn color above, passing into brownish below. L. 3^-. E. 9. 

 T. 1^. Penn. to Mo. and S. W., common. (Lat., of twilight.) 



565. ATALAPHA Rafinesque. 



1084. A. iioveboracensis (Erxleben). RED BAT. Fur long 

 and silky, reddish brown, mostly white at tip ; lips and ears not 

 edged with black ; a whitish tuft at base of thumb. L. 3f. E. 12. 

 T. 1^. U. S. everywhere, very abundant ; known by its reddish 

 color. (Lat., of New York.) 



1085. A. cinerea (Beauvais). HOARY BAT. Rich chocolate- 

 brown, overlaid with white ; lips and ears marked with black. L. 

 5. E. 14. T. 2. U. S., rather northward, rare. (Lat., ashy.) 



