588 JOURNAL, BOMBAY NATURAL HIST. SOCIETY, Vol. XX J' . 



Gen. VIII. PiPISTRELLUS. 



No. 183. rnordax, Pet. The Indian representative of" ^/V/- 



No. 184, affinif!, Dob. ramus, Temm. (which is a Japa- 



No. 185. circumdatus, Temm. nese species) is cormnandra, Gray. 

 No. 186. ceylonicas, Kel. I established a species onivius, for 



No. 187. ahramus, Temm. a dwarf form of coromandjra, (J. 



^o. 188. 2npistrelhis, Schreb. B. N. H. S., xii., p. 722, 1900), 

 No. 189. kuhli, Natt. and later a subspecies of it, r/lau- 



No. 190. annedens, Dobs. cilUs, (J. B.N.H.S., XXI., p.'768, 



1912). Thomas has made several 

 new species, viz., laphtirus, cadornie, shanonav, bahu, and paterculus, 

 on specimens obtained by the Survey, and has recognised four 

 subspecies of Kelaart's ceylonicus (J. B. N. H. S., xxiii, p. 413, 

 1915). This raises 'the number of recognised forms to 20. which 

 maj'' be arranged in a ^ej as follows : — 



Key to the species of Pipistrellus. 



A. — Size large, forearm about 40 mm. 



<i. Tragus very broad, about 4ram ; colour 



black and hoary; forearm 40 mm... ], mordox, I'et. 

 //. Tragus narrower. 



'/'. Tragus pointed above; forearm 



40mm. ... ... ... ... 2. annectens, DohB. 



Ii\ Tragus rounded at tip. 



a'. Colour black ; forearm 1 L mm 3. crrcumdatvs, Temm. 



h"^. Colour brown. 



a^. Outer upper incisors acutely 



pointed ; forearm 39 mm. ... 4. a finis, Dobs. 



Ii\ Outer upper incisors hollow- 

 ed to receive lower canine. 

 «.'. Skull smaller and slighter : 

 anterior premolar smaller ; 

 forearm 37 mm. ... b. skanorum.'^ho^. 



h\ Skull larger and stouter ; 

 anterior premolar larger. 

 n'. Colour brown. 

 "/'. Smaller. 



a'' . Colour darker, fore- 

 ami 37 mm. ... i). ceylonicus ceyloiri- 



cus, Kel. 

 /''. Colour paler, fore- 

 arm 37 mm. ... 7. c. chrysothrix. W v. 



h'''. Larger, forearm 10 



mm. ... ... 8. c. indicus. Dobson. 



/''. (Jolour grey, forearm 38 



mm. ... ... ... \K c. fiiil>nanv-'<.T\u*u\ns 



