12. TESPERTILIO. 289 



b. Feet rather large ; last rudimentary caudal 



vertebra free. 

 a'. Fur very dense and woolly, covering the 



whole muzzle. Ears shorter than the [p. 321. 



head ; foreai-m l"-56 35. V. polythnx, 



h'. Fur straight, moderately dense, not ex- 

 tending thicklj' upon the muzzle. 

 a''. Ears as long as the head; tragus 

 straight ; a small postcalcaneal lobule ; 

 posterior mai-gin of the iuterfemoral [p. 322. 



naked ; forearm l"-45 36. V. chilomsis, 



b". Ears longer than the head ; tragus in- 

 clined outwards ; no postcalcaneal lo- 

 bule ; posterior margin of the interfe- 

 moral fringed ; forearm l"-5 37. V. levis, p. 323. 



c. Feet rather large ; last osseous caudal ver- 



tebra free or half free. 

 a'. Tragus long, inclined outwards. 

 c". Wings from the base of the toes, 

 c'". Ears longer than the head. 



a. The extremity of the ear laid for- 



wards extends about 0"'35 beyond 



the end of the muzzle 38. V, evotis, p. 324. 



^. The extremity of the ear extends 



0"'l beyond the end of the [p. 324. 



muzzle 39- V. suhdattis, 



d". Wings from the tarsus or metatarsus. 

 d'"- Ears as long as the head. 



y. The extremity of the ear laid for- 

 wards extends to the end of the 



muzzle 40. V. earolii, p. 325. 



b'. Tragus moderately long, straight. 



«". Wings from the metatarsus or base of 

 the toes, 

 e'". Ears shorter than the head. 



b. The extremity of the ear laid for- 



wards does not extend so far as 

 the end of the muzzle. 

 S'. The first and second upper pre- 

 molars internal to the tooth- 

 row ; forearm l"-75 41. V.albescetis,^,326. 



('. The first and second premolars 



in the tooth-row ; forearm 1"'35 42. V. arsinoe, p.328. 

 «. The extremity of the ear laid for- 

 wards extends to the end of the [p. 328. 

 muzzle ; forearm l"-4 48. V. lucifugus, 



Subgenus Letjconoe. 



1. Vespertilio pilosus. 



Vespertilio (Leuconoe) pilosus, Peters, MB. Ahad. Berlin, 1869, p. 403. 



Ears long, narrow, and shortly rounded off above ; inner margin 



of the ear-conch straight above and below, concave in the middle, 



outer margin straight, slightly concave opposite the base of the 



tragus, and terminating in a short rounded lobe ; tragus rather 



