[75] FISHERIES OF THE UNITED STATES. 259 



Ostrea Virginica. Gmelin — Continued. 



"Box." 



32917. Cow Bay, Long Island. Three years old. B. J. M. Carley. 

 32964. Long Island Sound. Four to six years old. Hoyt Bros. 



Single extra. 



32918. Cow Bay, Long Island. Four years old. B. J. M. Carley. 



Double extra. 

 32776. Cow Bay, Long Island. B. J. M. Carley, 



Extra. 

 33568. Maurice River Cove. Five years old. Thos. J. Love. 



SERIES ILLUSTRATING RAVAGES OF ENEMIES. 



32956. Long Island Sound. Killed by star-fish (Asterias forbesii). Jas. 



Richardson. 

 32929. Long Island Sound. Killed by " hairy -whelk " (Sycolyptis canalicula- 



tus). Jas. Richardson. 



32927. Long Island Sound. Destroyed by a whelk (Fulgur cariea or Sycoty- 



pus canaliculars). Jas. Richardson. 

 3151. Long Island Sound. Illustrates method of destruction by star- fish 

 (Asterias forbesii. ) 



32928. Long Island Sound. Destroyed by "drill" (Urosalpinx cinerea). 



Jas. Richardson. 

 32788. Crisfield, Md. Shell covered with worm tubes. E. G. Blackford. 

 33566. Vicinity of New York. Shell covered with worm tubes and polyzoa. 



E. G. Blackford. 



Savages of boring sponge. (Cliona sidplmrea, Verrill.) 



33591. Vicinity of South Carolina. C. C. Leslie. 



33377. Oyster Bay, Long Island. H. A. Townsend. 



33403. Bridgeport, Conn. Wheeler Hawley. 



32820. New York Bay. B. J. M. Carley. 



32966. Long Island Sound. Hoyt Bros. 



Ravages of boring pholad. (Martesia cuneiformis, Gray.) 



32917. Cow Bay, Long Island. B. J. M. Carley. 



33095. Rappahannock River, Virginia. G. W. Harvey. 



33556. Tangier Sound. Split shells. T. W. B. Clark. 



33579. Tangier Sound. Split shells in alcohol, showing pholad in situ. T. 

 W. B. Clark. 



33581. Tangier Sound. Split shells showing pholad in situ. T. W. B. Clark. 



33582. Tangier Sound. Exterior of shells showing borings. T. W. B. Clark. 



Model of an Oyster-bed. 



Illustrating the manner in which a natural oyster-bed is formed, the change in its 

 condition after a period of extensive fishing, and the methods of attack of 

 the various enemies, inhabitants of shelly areas. The vertical scale is 

 necessarily exaggerated. Prepared by Lieut. Francis Winslow and J. Palmer. 



