40. Revision of Kobelt’s Nomenclature of the Indian 
Ampullariidae. 
By B. PrasHapb, D.Sc., Offg. Superintendent, 
Zoological Survey of India. 
cases to understand his interpretations. In view of my pro- 
posed tour to the various European Museums, I, therefore, post- 
poned the completion of this work till I had myself examined 
the collections in the British Museum, London, and had also 
seen the specimens figured by Kobelt in his recent Monograph 
in Mart.-Chemn. Conch.-Cab. Having now had the opportunity 
of examining both these collections and comparing the large 
Indian collections, which I had taken over with me _ to 
Europe, I take this opportunity to publish a short revision of 
Kobelt’s nomenclature of the Indo-Burmese species. e 
detailed results of my investigations on the Indo-Burmese 
species will be published later in the ‘‘ Memoirs of the Indian 
Museum,” Calcutta. . 
It will not be out of place to remark here on the un- 
satisfactory nature of the three Monographs on the Indian 
rs. 
f these is the Monograph by Kobelt. It was 
begun in 1911, and completed in 1915; the part dealing with 
the South Asiatic species, however, was published in 1912. 
the too great reliance he placed on Sowerby’s work, as also the 




1 Sowerby Proc. Malacol. Soc. London, VIII, pp. 354-364 (1909)- 
IX, pp. 56-64 (1910) and XII, pp. 65-73 (1916). 
