A MONOGRAPH OF THE BATS OF NORTH AMERICA. 185 



III. 



Ki/cl. Dovehoracoisin. En.sily known hy its short and round cars, and by tlio inter- 

 femoral membrane Ix-iug- liairy and including the whole oftlie tail. Tlicre is a wliite 

 si)ot at the iuserliou (»f the wing, and another at the base of the tiiumb; these marks 

 are constant. This si>ecies varies much in colour, and has been called /'. Ia>iiitni8, 

 Schrcber, T. monachun by some, and is iigured Wils. Orn. VI, jii. 1, whence it has 

 been qiu)ted by M. Cuvier as the Taphozous. 



Nijct. crepusculariH, Ij. C. Abdve brown, beneath paler; a small black wai't above 

 each eye; nose somewhat bilobate; chin with a small double Avart; ears moderate; 

 tragus small, subulate; tail i>rojecting a little beyond the membrane. 



Nyct. viinocephalu, L. C. The posterior fore tooth on each side smaller than the rest 

 which are emargiuate; nose furnished on the top and sides with stiti' short bristles; 

 lijjs very large, somewhat pendulous ; ears broad, round, naked ; tragus not apparent ; 

 tail long, extending far beyond the monbrane; outer and inner toes of the hind feet 

 wooly on the outside; the rest with each two long hairs on the top. 



r). 



Paltsot be Beauvois. — Description of Atalapha cinereus and Addo- 

 nycterisfmvus. (From Pamphlet.) 



Gray But. — Two ujtpcr teeth very small, hardly visible. Head whitish ; ears round 

 ami Hat, of a white color surrounded with black, and an appendage at their base; 

 hair gray at the roots, black in Ww middle, and white at the ends, ho that the animal 

 has the appearance of being spotted with white. The hair extends to the membrane 

 Avhich surrounds the tail. 



"The anterior parts of the membranous wdugs from the body of the projecting claw 

 and covered with hair on both sides. This membrane is about twice the size of that 

 in the preceding species" (X. novehoracenisis Auct.). "The wings, extended, measure 

 14 inches. The nostrils are emargiuated. 



" Gray Bat. V. cinereus. 



"This is found in Pennsylvania, and is not described by any author." 



"Brown Bat. — The two fore teeth in the upper jaw distant from one another, near 

 the canine tcQth, and about half their length ; ears naked, blackish, and of an oval 

 ligure, with an appendage at their base. Tail almost as long as body; Hying mem- 

 brane black ; hair brown on the surface, gray below. 



"Brown Bat. F. f uncus. 



"This is the most common species in the neighborhood of Philadelphia. It very 

 much resenrbles the Common Bat of France, except in the number of teeth in the 

 njtper jaw." 



E. 



Temminck.— Monograpliies de Maramalogie, IT, 1835, 235.* 



V. iirsiiius. (A new species kindlj' furnished me by Prince Max; it is based upon the 

 examination of seven individuals.) — Head large; muzzle rather long, large, and but 

 little depressed; nostrils large, opening upon the side and crescentic — separated by 

 a groove. Ears ovoid, much higher than the summitof the head, the posterior border 

 vertical, and slightly emargiuated at the tip; tragus long, lanceolate, but a little 

 rounded near the tip ; the auricle is hairy at the base of the external part ; the thumb 

 stout, armed by a very curved nail; tail long, point free; interfemoralnu^mbraue 

 marked beneath with parallel lines; claws of feet very long, stout, and curved. 

 Incisor teeth aljove in two close i)airs; below 6, trilobed. Molars above 1, without 

 false; inferior with ."», one being a small false molar. 



Fur long, soft, and shining; above of a brown umber hue, the inferior parts more 

 clear. All the fur is gray at the l)ase. Membranes and ear black. 



^Translation with emendations in "Monograph of Bats of North America," Allen, 

 1864. 



