264 COMPARATIVE ZOOLOGY. 
Fia. 225.—Cowry (Cupreea capensis) ; two- Fig. 226.— Haliotis, or ‘‘ Pearly Ear- 
thirds natural size. South Africa. shell.” Pacific coasts. 
Fie. 227.— Spindle- Fic. 228.— Cassis rufa, or Fia. 229.—Auger-shel) 
shell (Fusus colus) ; “* Helmet-shell;” one-fourth (Terebra maculata) ; 
one-half natural natural size. Indian Ocean. one-half natural 
size. Ceylon. size. China seas, 
Fie. 230.—Cone-shell (Conus Fig. 231.—Chiton squa- Fic. 232.—Volute (Voluta 
marmoreus); two-thirds mosus ; one-half natu- musica); one-half nat- 
natural size. China seas. ral size. West Indies. ural size. West Indies. 
