412 MOLLUSCA : GASTEROPODA. 



FIG. 574. 



FIG. 575. 



C'erilhium noiloTnsum, Bmg. 

 Reduced. Molucca. 



FIG. 577. 



Turritella imbricata, 

 L. West Indies. 



Melania. Wrstern States. 



FIG. 578. 



Scalaria pretiosa. Lam. 

 Reduced. China, 



FIG. 57fl. 



lo. Southern States. 



Fio. 579. 



Verniftus lumbricalig, 

 Gm. West Indies. 



etc., Fig. 574) ; the Melaniadas (Melania, etc., Fig. 575) ; 

 the TurriteJlidae (Turritella, Scalaria, etc., Figs. 577, 

 578) ; the Littorinidse (Littorina, etc., Fig. 583) ; the 

 Paludinidee (Paliulina, etc., Fig. 582) ; the Neritidae 

 (Nerita, Neritina, etc., Figs. 585, 584) ; the Turbinidse 



