PALUDINA.— Pi,ATE XL 



soUdd, pallide oUvaceo-cinered, aiifractibus rotundaiis, 

 Icevihis, politis ; aperturd parva, rotnndato-ovatd. 



The polished Paludina. Shell obtusely ovate, rather 

 oblique, solid, pale olive.-ash, whorls rounded, smooth, 

 polished; aperture small, rotundately ovate. 



Fkiparapollta, Frauenfeld, Gattung Vivipara, Nov. 1863. 



Hnb. South Africa? 



The shell here figured is larger and more sharply conical 



than the true P. pollUi, of which a type specimen has 



been received from M. Frauenfeld. 



Species 74. (Mus. Cuming.) 



This appears to be a variety from Nicobar of the Ma- 

 cassar P. virescens, Sp. 70. 



Species 75. (Mus. Anthony.) 



Paludina decapitata. Pal. testa ovato-glohosd, pal- 

 lide ciitereo-virente, spird erosd, aiifractibus plano- 

 convexis ; aperturd pi/riformi-ovald. 



The decapitated Paludina. Shell ovately globose, 

 pale ash-green, spire eroded, wliorls flatly convex ; 

 aperture pyriformly ovate. 



Anthony, Pro. Acad. Nat. Sci. Phil. 1860, p. 71. 



Hab. Tenessee, United States. 



I give Mr. Anthony's original type of this species, 

 kindly forwarded to me for examination, doubting, how- 

 ever, equally with Mr. Binney whether this and P. regularis 

 are anything more than varieties of P. decisa. 



