U.S. NATIONAL MUSEUM 



BULLETIN 234 PLATE 1 



a, Nautilus pompilius Linnaeus, lateral view, b, c. Sepia pharaonis Ehrenberg: b, ventral 

 view of shell, length 110.0 mm.; c, dorsal view, d, e. Sepia latimanus Quoy and Gaimard: 

 d, ventral view of shell, length 81.0mm.;f, dorsal view, f, g. Sepia prionota, Voss; /, ventral 

 view of shell, length 60.0 mm.; g. dorsal view. 



