T4 APPENDIX. 



y^i/c. crepuscuhuis, L.C. — Above brown, beneath paler; a small black 

 ■wart above each eye ; nose somewhat bilobate ; chin with a small double 

 wart ; ears moderate ; tragus small, subulate ; tail projecting a little 

 beyond the membrane. 



Nijc. cynocephala, L.C. — The posterior fore tooth on each side smaller 

 than the rest, which are emarginate ; nose furnished on the top and sides 

 with stiff short bristles ; lips very large, somewhat pendulous ; ears 

 broad, round, naked ; tragus not apparent ; tail long, extending far beyond 

 the membrane ; outer and inner toes of the hind feet woolly on the outside, 

 the rest with each two long hairs on the top. 



D. 



Paltsot de Beauvois. — Descriptions of L. cinereus and S. 

 fuficus, from Pamphlet. 



" Grei/ Bat. — Two upper teeth very small, hardly visible. Head whitish ; 

 ears round and flat, ot a white color surrounded with black, and an appen- 

 dage at their base ; hair grey at the roots, black in the middle, and white 

 at the ends ; so that the animal has the appearance of being spotted with 

 white. This hair extends to the membrane which surrounds the tail. 



"The anterior parts of the membranous wings 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" — (L. novehora- 

 censis, Auct.) — "The wings, extended, measure fourteen inches. The 

 nostrils are emarginated. 



"Grey 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 teeth, and about half tlieir length ; ears naked, 

 blackish, and of an oval figure, with an appendage at their base. Tail 

 almost as long as body ; flying membrane black ; hair brown on the sur- 

 face, grey below. 



" Brown Bat. V. fusctis. 



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

 It very much resembles the Common Bat of France, except in the number 

 of teeth in the upper jaw." 



K 



Temminck. — Monograpbie do Mammalogie, II, 1835, 235. 



V. ursinus. (A new species kindly 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 



