PLATE 7 



It Pecten muscosus Wood. Enlargement of sculpture, p. 35. 



2. Pecten lalandlcus Muller. 3.5 inches, p. 33. 



3. Pecten sentls Reeve. Florida. 33 nun. p. 33. 



4. Pecten grandis Solander. Coast of Maine. 6 inches, p. 35. 



5. Amusium dalli E. A. Smith. Gulf of Mexico, in deep water, p. 35. 



6. Pecten gibbus Linne ' . Sanlbel, Florida. Variegated form. p. 3^^ . 



7. Pecten phrygium Dall. 10 fathoms off Lantana, Florida (the author); 



101 fathoms off Havana, Cuba. 36.5 mm. 



164 



