[75] 



FISHERIES OF THE UNITED STATES. 



Ostrea Virginica, Gmeliu — Continued. 



" Box." 



:ii2917. 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. 



DoiihJe extra. « 



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



Extra. 

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



SERIES ILLUSTRATING RAVAGES OF ENEMIES. 



32956. Long Island Sound. Killed by star-fish (Asteriaa forhesn). Jas. 



Richardson. 

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



tus). Jas. Richardson. 



32927. Long Island Sound. Destroyed by a whelk {Fulgur carica or Sijcoty- 



jn(8 cmmliculatus). Jas. Richardson. 

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

 (Aaterias foriesii. ) 



32928. Long Island Sound. Destroyed by "drill" {Urosaljnnx 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. 



Bavages of boring sponge. {Cliona stilplmrea, 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. 



Savages of boring plwJacl. (Martesia cuneiformis, Gray.) 



32917. 

 33095. 

 33556. 

 33579. 



33581. 

 33582. 



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

 Rappahannock River, Virginia. G. W. Harvey. 

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



Split shells in alcohol, showing pholad in situ. T. 



Tangier Sound. 



W. B. Clark. 



Tangier Sound. 



Tangier Sound. 



Split shells showing pholad in situ. T. W. B. Clark. 

 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 Wiuslow and J. Palmer. 



