328 MAMMALIA : CHIROPTERA. L. 



562. VESPERTILIO Linnaeus. (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. l. E. N. Am., abundant everywhere ; 

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



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



evening.) 

 a. Teeth 3G; molars 1:1. (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; vayans, wandering.) 

 aa. 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, 

 aero. 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. 

 (En.). (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. l. Penn. to Mo. and S. W., common. (Lat., of twilight.) 



565. ATALAPHA Rafinesque. 



1084. A. noveboracensis (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. 3|. 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. 2J. U. S., rather northward, rare. (Lat., ashy.) 



