480 



MOLLUSKS : GASTEROPODS. 



Fig. 390. 



Fig. 389. 



Buccinum undainm, L. 

 North Atlantic. 



Fig. 391- 



Harpa ventricosa, Lam. 

 One half. Mauritius. 



Fig. 393- 



Fig. 392- 



Ricinula arachnoides, Lam. 

 China. 



Oliva porphyria, L. 

 One half. Panama. 



Fusus decemcostat-ns, Say. 

 United State^. 



CONID/E, OR CONE FAMILY. This Family embraces 



gasteropods which have the 

 shell inversely conical, aper- 

 ture large and narrow, outer 

 lip notched, and the opercu- 

 lum minute. There are eight 

 hundred and fifty living, find 

 four hundred fossil species. 



Conus tnarmoreus, Gm. Two thirds 

 China. 



