1922.] Fauna of the Fresh and Brackish Waters of India. 533 
the last few years that traces of the common element can be 
found much further East than western India. Recent investi- 
“ 
supposed Chinese element has been found, so far as aquatic ani- 
so far as the freshwater and brackish-water faunas of India are 
concerned, are the Chelonia, the Batrachia, the fish, the mol- 
luses, the Decapod Crustacea, the Oligochaete worms and the 
cercariae of the parasitic trematodes. 
s I have already stated, I do not propose to discuss these 
advances at length, but 1 cannot conclude this brief paper 
carried out in Lahore by Lt.-Col. J. : 
cercariae by Major R. B. Seymour Sewell, partly in Calcutta 
‘ : large 
the older malacologists of Calcutta and published to a 
extent in the early volumes of this Journal. In it I have taken 
———_—_—_— 
The Fresh and Brackish Water Fauna of the ee ee Tesi 
and Ceylon: A Bibliography for the years 1 : 
