150 



vivipara, Paludina ...p. 133 

 viviparum,Cyclostoma 133 



Vortex, Helix 109 



Vortex, Planorbis 109 



vulgaris, Cochlea 52 



vulgaris, Stagnicola. .pA2\ 

 . 103 



vulgaris. Vertigo 



zonaria, Helix 41 



PRINTED BY RICHARD TAYLOR, 

 RED HON COURT, FLEET STREET. 



