240 ZOOLOGY. 



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



FIG. 180. 



FIG 181. 



FIG. is-.'. 



FIG. 183. 



Fig. 180 A Whelk. 

 Fig 181. A Whelk. 

 Fig If&.Strombus 



Buccinum crftaceum. Labrador. 

 T-in<'ci,nun ct'h'afvm. After Morse. 



. )""/<//.<. West Indies. From Tenney's Zoology. 



Fig. 188. Pelican's Font. Apon-hais occidentalis. Northern New England 

 After Morse. 



