;i6 



MOLLUSKS : UASTROrcjDS. 



/f/ / Fiy 377. — Margin^-lla. 



J"^-^ Reduced. W. Africa. 



Fig. 376. — Vulutc. Much 

 reduced. West Indies. 



Fig. 37S. — Miler Shell. 

 Much reduced. Ceylon. 



"^^'V 







"n 



Fig. 3S0. — Trivia. 

 Great Br. lain. 



Fi_ 379. — (.ou riL, or C)- 



prfea. Much reduced. 



Indian Ocean. 



Fig. 3S1. — Egg Cowrie. 



Much reduced. Ni'v 



Guinrn 



Fig. 382. — Sig.iretus. Fig. 383, — Natica. Fig. 384. — Fig. 3S5 — 

 West Indies. New England. Pyramid Sliel!. Pyramid 



Reduced. Shell. 



Great Britain. W.Indies. 



