BHINOLOPHUS. 275 



crackling sound. It often flies so low as to be easily caught in a 

 common butterfly net." Of It. rouxi, which, as Dobson has shown, 

 is merely a lighter-coloured variety of R. affinis, Button remarks 

 that at Mussoorie it makes its appearance as early as March, 

 remaining inactive during the winter. 



151. Rhinolophus andamanensis. TJie Andaman Horseshoe-Bat. 



Rhinolophus andamnnensis, Dobson t J. A. S. B. xli, pt. 2, p. 337 

 (1872); id. Man. As. Chir. p. 40; id. Cat. Chir. B. M. p. 113 ; 

 Anderxon, Cat. p. 110. 



Like It. ajfinis generally, but the anterior horseshoe-shaped 

 membrane is very large, completely concealing the muzzle when 

 viewed from above, as in It. pearsoni ; the posterior terminal leaf 

 is also much longer, produced backwards between the ears, and 

 not concave on the sides as in It. affinis. The thumb is also much 

 longer. 



Colour of fur bright reddish brown above and below. 



Dimensions. Length of an adult male preserved in alcohol : head 

 and body 2*5 inches, tail 0'9, ear (from origin of outer margin) 

 0-85, forearm 2-05, thumb 0'45. 



Distribution. A single specimen in the Indian Museum, Calcutta, 

 was obtained on the Southern Andaman Island. The above 

 description is copied from Dobson ; I have not been able to examine 

 a specimen. 



152. Rhinolophus petersi. Ptters's Horseshoe- Bat. 



Rhinolophus petersii, Dobaon, J. A. S. B. xli, pt. 2, p. 337 (1872); 

 id. Mon.As. Chir. p. 49: id. Cat. Chir. If. M. p. 114; Hutton, 

 P. Z. S. 1872, p. 700; Anderson, Cat. p. 110; W. Blanf. J. A. S. 

 B. hii, pt. 2, p. 261. 



Ears moderate, subacutely pointed, outer margin concave, sepa- 

 rated from the large antitragus by a moderately deep angular notch. 



Anterior nose-leaf moderate, not nearly covering the muzzle. 

 Sella of uniform breadth from between the nostrils to the rounded 

 extremity of the erect transverse process ; to this is attached 

 posteriorly a longitudinal buttress-like lamella, the convex upper 

 margin of which exceeds the transverse portion in height. Pos- 

 terior leaf a little longer than broad, with concave sides and a 

 subacute tip. Lower lip with three grooves. 



Wing-membrane from the ankles ; interfemoral membrane 

 nearly square behind, the tip of the tail projecting slightly. Fur 

 long and soft. 



Colour of fur varying from greyish mouse-colour to brown, 

 generally paler and greyer below. 



Dimensions. Head and body 2-5 inches, tail 1, ear (from head 

 between ears) 0-55, from base' 0-75, forearm 2, 



Distribution. Mussoorie (Button), and Coonoor, Nilgiri hills, 

 South India ("NV. Davison). 



