260 ZOOLOGY. 



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



Fig. 185. 



Tig. 186. 



Pig. 187. 



Fig. 188. 



Fig. 185. — A Whelk. Bitcdnum, cretacewn. Labrador. 

 Fie. 186. — A Whelk. Buccinum ciliaium. — After Morse. 

 Pig. 187. — Strombvs 2yu(/'Uis. West Indies.— From Tenney's Zoology. 

 Fig. 188.— Pelican's Foot. Aporrhais occictentalu. Northern New England. - 

 After Morse. 



