240 ZOOLOGY. 



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



Fia; 180. 



Fia. 183. 



Fig 18i. 



Fig. 183. 



Fig. 180. — A Whelk. Buccintmi cretaceum. Labrador. 

 Fig, 181. — AWhellc. Buccinuni ciliatum. — After Morse. 

 Fig, 182. — Sttromhus pugilis. West Indies. — From Tenney's Zoology. 

 Fig. 183. — Pelican's Foot. Aporrhais occidentalis. Northern New England.- 

 After Morse. 



