4 8o 



MOLLUSKS I GASTEROPODS. 



Fig. 390. 



Fig. 389. 



Buccinum undatunt, L. 

 North Atlantic. 



Harpa ventricosa, Lam. 

 One half. Mauritius. 



Fig- 393- 



Fig. 391- 



Fig. 392. 



Ricinula arachnoides, Lam. 

 China. 



Oliva porphyria, L. 

 One half. Panama. 



Fusus decemcostatus, Say. 

 United States. 



CONID.E, OR CONE FAMILY. This Family embraces 



Fig. 394- 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, and 



Cemtts marmore,^ Gm. Two thirds. f our hundred fossil Species. 

 China. 



