SYSTEMATIC INDEX 



PAGE 



Fam. :PALUDESTRINIDiE . . . . 14 



(Sub-fam. : BITHYNIIN^) 14 



Genus : 1. Bithynia, Leach, 1818 ... 14 



1. B. tentaculata (Linne) .... 14 



2. B. leachii (Sheppard) 17 



(Sub-fam.: PALUDESTRININiE) .... 18 



Genus : 2. Paludestrina, Orbigny, 1840 . 18 



1. P. ventrosa (Montagu) .... 18 



2. P. jenkinsi (Smith) 20 



Genus : 3. Peringia, Paladilhe, 1874 . . 20 



1. P. ulvse (Pennant) 21 



Genus : 4. Belgrandia, Bourguignat, 1869 . 22 



1. IB. marginata (Michaud) .... 23 



Genus : 5. Bythinella, Moquin-Tandon, 



1856 [Melius Bithynella] ... 23 



1. fB. steinii (Martens) 24 



(Sub-fam. : LITHOGLYPHIN.E) .... 24 



Genus : 6. Pseudamnicola, Paulucci, 1878 . 24 



1. P. confusa (Fauenfeld) .... 24 



Genus : 7. Amnicola, Gould & Haldeman, 



1841 26 



1. A. taylori (Smith) 26 



(Sub-fam. : STENOTHYRINiE) ..... 26 



Genus : 8. Nematurella, Sandberger, 1875 . 26 



1. fN. runtoniana, Sandberger ... 26 



Fam. :VALVATID^ 27 



Genus : 1. Valvata, MuUer, 1774 ... 27 



1. V. piscinalis (Miiller) 27 



2. fV. antiqua, Morris 29 



3. fV. andreana, Menzel 29 



4. V. macrostoma (Steenbuch MS.), 



Morch 2£ 



5. fV. naticina, Menke 30 



6. fV. goldfussiana, Wiist 30 



7. V. cristata, Miiller 31 



