240 ZOOLOGY. , 



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



Fig. 180. 



Fig I8i, 



Fig. 18-3. Fig. 183. 



Fig, 180. — A Whelk. Buccinum cretaceum. Labrador. 



Fig 181. — A Whelk. Bitccinum cilia turn.— After Morse, 



Fig. 182. — Strombiis pmjUis. West Indies.— From Tenney's Zoology. 



Fig. 188.— Pelican's Foor. Apoi-rhais occidentalis. Northern New 



A.fter Morse. 



England. — 



