186 BULLETIN 43, UNITED STATES NATIONAL MUSEUM. 



Length, 3 inches 11 lines, the tail taking 1| inches; length of ear, 4^ lines; ex- 

 pause of wing membrane, 10 inches 9 line's. 



Hah. — Found by Triuce Max upon the banks of Missouri Eiver. 



V. caroliiieusis. — Not so large as V. serotinus of Europe. Ears as long as the head, 

 oblong, and hairy one-half the length of the external part of ears. Nose a little 

 blunt, but nostrils approached ; tragus leaf-shaped, erect, and half as long as the 

 auricle; point of the tail free. Incisors 4, in pairs above, and 6 below. Molars 5 

 throughout. 



Fur bicolored throughout; superior part of a brown "marron," but the base of the 

 hair is ashy black; beneath of a yellow ash, the base of the hair being brown. 



Total length, 2, 3, or 5 inches, of which the tail constitutes 1 inch; expanse, 10 

 inches. 



^a6.— Charleston, S. C. 



V.phaiops — The general contour like that of V. mur'mus. Point of tail free; tail 

 not so long, strongly "sloped" out on external border, with a lobe cut out behind. 

 Tragus an erect leaf. Superior incisors, 4 ; the external are biloTbed, and are larger 

 than the internal. Inferior, 6. Molars, 4 above and 5 below. 



Hair short and unicolored throughout, glossy, above brown, with a tinge of red, 

 below it is of clearer hue; face and membranes blackish. 



Length, 4 inches 4 lines, or 5 inches, the tail being 2 inches; expanse of wing 

 membrane, 12 to 13 inches; autibrachium, 1 inch 8 lines. 



This is the Black-faced Bat of Ratiuesque, of which there is mention made in 

 Desm. Mam. in a note. 



Hob. — North America; our animal comes from Tennessee. 



V. pulvcriilentus. — Resembles, in the color of the superior fur, F. discolor, but differs 

 from it in its lesser size, in the interfemoral being hairy on both sides, aud in the 

 difference of color of the belly. Muzzle large and obtuse; ears larger than high, 

 rounded, one-half haired; tragus hatchet-shaped; tail short; interfemoral very 

 hairy above, but less at the point than at the base, that beneath of a clear "vole," 

 and in concentric lines; the toes furred above. 



Furlong, soft, bicolored throughout; the superior and inferior parts are of the 

 same color. It is of a deep marron, the point only lieing touched with white, the 

 hairs "clair sermes," arranged in horizontal lines .upon the inferior part of the in- 

 terfemoral membrane, are white. 



Length, 3 inches 6 lines, of which the tail is 1 inch 3 lines; expanse, 10 inches; 

 autibrachium, 1 inch 6 lines. 



This species was furnislicd us by Prince Max Wied, who obtained it in the moun- 

 tain recesses of North America. Ours come from the borders of Missouri. 



V. caroli. — Tail the form of our V. pipistreUus, but the ears are longer. Face ob- 

 tuse; nostrils Yerj much separated.; ears are of medium size, ovoid, slightly emar- 

 ginate on their external border without having a lobe or prolongation. Upper in- 

 cisors 4, in pairs above and 6 below. Molars, 6 in all; the two first false molars of 

 the upper jaw very small, short, and pointed. Fur bicolored throughout. Face, 

 sides of neck, and all of the superior part of a reddish brown, with black at the 

 base; beneath of a yellowish-white at the point, with a deep brown at base, which 

 in some parts is of a faint yellowish-ash. The young have a more somber hue. 

 The extreme tip only of the superior parts is brown; that of the inferior is of a 

 deep brown. 



Total length, 3 inches 3 lines, the tail of which is 1 inch and 4 lines; expanse 

 of wing membrane, 8 inches 6 lines; autibrachium, 1 inch 4 lines; height of ear 

 from skull to the tip, .5 lines. The young have an expanse of 7 inches 10 lines to 8 

 inches. 



The Museum has obtained from Pi'ince de Musignano (Charles Bonaparte) many 

 individuals of this species. 



Sab. — North America, around the environs of New York and Philadelphia. 



