Family VIVIPARlDiG. 



SubEiimily VIVIPARIN^. 



Shell turbinate, subperl'orate or imperforate ; whorls more or 

 less convex ; operculum horny, conqentric with excentric sublateraL 

 nucleus placed near the inner margin. . ^, . 



Distribution. Europe, Asia, Africa, Australia, and ^s. America. 



Genus VIVIPARA. 



Vimpara, de Montfort, Conch. Syst. ii, 1810, p. 247, as Vioiparns, 



emend. I>upuy, lli^t. nat. des Moll cpu viveut eu in-ance, 



1851, p. 5^4. 



Paludina^ auct. 



TvTPE, V.Jluvionim, de Montf. {yivijiura, Linn.) ; Europe. 



llange. Europe; Asia; Africa; Australia; N.America. 



Shell conoidal, rather thin, with obtuse apex ; whorls convex ; 

 labrum not sinuous; operculum horny with sublateral nucleus. 



Animal having the foot moderately large ; tentacles long ; right 

 cervical lobe verv large and bent back to form a groove ; teeth ot 

 the ladula finely crenellated on their reflexed margin. 



167. Vivipara bengalensis {Lamarclc). 



Vimpara benqahnsis (Lamarck), Anim. s. Vert. (ed. Desli.), viii, 

 p 513; Deles. Rec. Coq., Lam. pi. 31, tig. 2 (as Fatuchmi); 

 Reeve, Con. Icon., Paludina, sp. 5 ; Kiister, ed. Chemn., Faludma, 



tigs. 15, 16. 

 Pa/M(^iHrt e/oHi/«fa, Swains. Zool. 111. ser. 1, pi. 98, top. 



Paludina lineata, Valenc. in Humb. & Bonpl. Voy., Zool. n, p. 2>j ; 



H. & T., C. I. pi. 76, tigs. 8, 9, 10. 



Original description: — Testa ventricosa, ovato-acuta, tenui, 

 virescente, transversim f usco-liueata ; striis exilissimis decussatis ; 

 spira conica ; anfractibus septenis, convexis. 



To supplement the above, Reeve's description is given below. 



Shell elevatedly conical, thiu, greenish, shining lineated and 

 narrowlv banded with dark-green ; whorls convex, smooth, very 

 minutely decussately striated. 



Alt. 38, diam. 24 mm. (fig. 5 a in Conch. Icon.). 



Alt. 44, diam. 29-5 mm. (fig. 5 b in Conch. Icon.). 



Hab. North- West Provinces of Hindostan. 



A shining pale-green shell, banded and lineated throughout 

 with dark green, sometimes turning to rusty-brown. The surface 

 is very minutely engraved with impressed spiral striae, decussating 

 slightly-raised longitudinal striae, which are stria? of growth. 



Var. balteata {Benaon), J. A. S. B. 1836, pt. 2, p. 745 ; Xevill, 

 Hand List, pt. 2, p. 21. 



ILt^K Silchar, etc. ; Cachar. 



g2 



