MOLLUSCA. 



IL Order PROSOBRANCHIA. 



2. Sub-Order CTENOBRANCHIA, Schweigger. 



\_Fectinohranc1iia, Cuvier'], 



1. Group TAENIOGLOSSA, Gray. 



Section A.—HOLOSTOMA, Blainville. 



1. EamHy AMPULLARIID^, Guildlng, 



Genus AMPULLARIA, Lamarck, 



Prod. 1799 and Syst. anim. sans vert. 1801, type Relix ampullacea, 

 Linn. 



1. Ampullaria globosa. 



Ampullaria globosa, Swainson, Zool. III. 1822, " Indian Rivers^* ; 

 Ampullaria orbata, Morch, \_as " of Perry 1811 "] ; from BangJcoJc, fide 

 Morelet;fide Martens, Mai. JBl. 1857 : alt. 74, diam. 78 mil. 



3 Jaraalpur and Gopalpur; coll. Dr. F. StoHczka. 



50 Calcutta, Pt. Canning, Raniganj and Dacca; coll. Dr. F. StoHczka, 

 J. Willson and G. Nevill, Esqrs. 



4 Allahabad ; coll. Major L. W. Wilmer and J. Cockburn, Esq. 

 1 Sambalpur, Central Provinces ; coll. Colonel M. M. Bowie. 



5 Manbhum ; coll. V. Ball, Esq. 



11 Dum-Duni; coll. Major L. \V. Wilmer. 

 1 Kusiara River, above Panchuganj, Sylhet; coll. J. Wood-Mason, 

 Esq. 



This last specimen is very interesting, as it was found im- 

 mediately associated with A. maura ! Calcutta jDecimens usually 



