PALUDINA VIVIPARA. 



SPECIFIC CHARACTER. 



With about three reddish-brown revolving lines. 



SYNONYMS. 



Cochlea vivipara fasciata. Fluviatilis. Listei^ 



Conch,, i^, 126, fig. 26. 

 Helix vivipara. Linn., Gmel. and others. 

 Nerita vivipara. Muller Verm., p. 1 82. 

 Cyclostoma vivipara. Draparn., pi. 1, fig. 16. 

 La vivipare a bandes. Geoff. Cuvier. 

 Paludina vivipara. La77i. Jinim. sans Vertebr., vol. 



vi., 2nd part, p. 1 73. Nobis. Nicholson's Enc. 



description. 



Shell subconic, with about five, rounded whorls : suture 

 impressed : colour olivaceous, more or less pale, with three 

 reddish-brown bands, of which the middle one is gene- 

 rally smallest; spire with but two bands : aperture subor- 

 bicular. 



observations. 



This appears to be one of the many species, that are 

 common to North America and Europe. And though the 

 specimens from the two continents differ a little, yet this 



PLATK X. 



