SYSTEMATIC INDEX 



[A t is prefixed to the names of extinct species.] 



Phylum: MOLLUSCA. 



Class: GASTROPODA 



(Sub-class : Streptoneura) ....... 



Order: ASPIDOBRANCHIA 

 (Sub-order : RHIPID0GL0S8A) 



Fam. :NERITIDiE 



Genus : 1. Theodoxus, Montfort, 1810 . . 



1. T. fluviatilis (Linne) 2 



2. fT. cantianus, Kennard & B. B. W. . 4 



Order: PECTINIBRANCHIA 4 



(Sub-order : Tcenioglossa) 4 



Fam. :POMATIIDiE 4 



Genus : 1. Pomatias, Studer, 1789 ... 4 



1. P. elegans (Miiller) 5 



Fam.: ACMEID^ 6 



Genus : 1. Acme, Hartmann, 1821 ... 6 



1. A. lineata (Draparnaud) .... 7 



Fam.: VIVIPARID^ 9 



Genus : 1. Viviparus, Montfort, 1810 . . 9 



1. V. viviparus (Linne) 9 



2. fV. diluvianus (Kunth) .... 11 



3. V. fasciatus (Muller) 12 



4. fV. gibbus (Sandberger) .... 13 



5. fV. glacialis (S. V. Wood) .... 14 



