480 



MOLLUSKS I GASTEROPODS. 



Fig. 390. 



Fig. 389. 



Buccinum imdatwn, L. 



North Atlantic. 



Harpa ventricosa, Lam. 

 One half. Mauritius. 



Fig. 393- 



Fig. 391. 



Fig. 392. 



Ricinnla arachnoides, Lam. 

 China. 



Oliva porphyria, L. 

 One half. Panama. 



Fusus decemcostatws, 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 



Conus marmoreus, Gm. Two thirds. f our hundred fossil Species. 

 China. 



