260 ZOOLOGY. 



etc. The head is alike on each side, but posteriorly the body 



FIG. 185. 



FIG. 186. 



FIG. 187. 



Fie. 188. 



Fig. 185. A Whelk. Bucdnum cretaceiim. Labrador. 

 Fi<*. 186. A WhelK. Bucdnum cUiatmn. After Morse. 

 Fig 187. Strmnbus pugilis. West Indies. From Tenney's Zoology. 

 Fig. 188. Pelican's Foot. Apo'rrhais ocddentalis. Northern New England. 

 After Morse. 



