PLATE 7 



1. Pecten zlczac Linne. Bermuda. 3 Inches. 

 2a. Pecten Islandicus Muller. 3.5 Inches, p. 

 2b. Same, interior of right valve, p. 33. 



3a, 3b. Pecten sentis Reeve. West Florida. 33 mm. 



4. Pecten grandis Solander. Bay of Fundy. 6 inches, p. 35. 



5. Chione cancellata Linn§. Lake Worth, Florida. 1 inch. p. 53. 



6. Pecten glbbus Linn6. Pawley's Id., South Carolina. 1.5 inches, p. 34. 

 7a, 7b. Pecten irradlans Lamarck. Long Island, New York. 2.5 Inches, p. 34. 



