1 70 DITBLIN NATXTEAL HI8T0ET SOCIETY. 



^ Posterior leaf of nasal appendage heart-shaped below; ears 

 scarcely emarginate at apex and base. Rh ferrum-equi- 

 II. -( num. 



Posterior loaf lanceolate ; ears distinctly emarginate externally 

 at base and apex. Rh. hipposideros. 



yyy r Ears united at base. lY. 

 ^^^' \ Ears free at base. VI. 



Ears small, rounded, scarcely longer than head. Barlast. com- 

 IV. -^ munis. 



Ears large, elongated, more than half as long again as head. V. 



'■{ 



C Ears tw 



'. < ritus. 



l^ Ears shi 



Ears twice length of head; tail longer than forearm. P. au- 

 shorter than head ; tail equal to forearm. P. hrevimanus. 



{Head oblong; forehead flat; eyes small, hid in fur. Tragus 

 rounded at tip. Scotophilus. VII. 

 Head round; forehead convex ; eyes exposed; dentition, false 

 molars, f ; total, ^g. Vespertilio. XI. 



VII. 



False molars, f ; total teeth, \^. So. serotinus. 



4 . 16 VTTT 



i Wings densely hairy beneath forearm. Sc, Leisleri. 

 " j ,, smooth beneath forearm. IX. 



,^ i Expanse of wing exceeding 12 inches. Sc. noctula. 

 \ „ less than 12 inches. X. 



^ ( Belly much lighter than back. S. discolor. 

 * i ,, nearly same colour as back. S. pipistrellus. 



XI. 



Bands on interfemoral few in number (8). V. Kattereri. 

 „ numerous, exceeding 8. XII. 



YjT ( Expanse of wing exceeding 12 inches. V. murinus. 

 ^^^' I „ less than 12 inches. XIII. 



^^y-j. i Face furred ; moustache on upper lip. XIV. 

 Alii, j Y^cQ naked ; no moustache. XV. 



i General colour of fur blackish ; moustache well marked. V. 

 mystacinus. 

 General colour of fur reddish. V. Daubentonii. 



Y-tr ( Ears deeply notched externally. V. dasycnemus. 

 ' ,, rounded externally. V. Bechsteinii. 



