ANIMAL RESOURCES AND FISHERIES OF UNITED STATES 255 

 2. Series illustrating culture aud individual variations: 

 Ostrea virgiaiica, Gmelin. — East Abierican oysters. 



That portion of the series from South Norwalk, Conn., was fur- 

 nished by Hoyt Bros, of that place, at the instance of James 

 Richardson, esq. The portion of the series from the vicinity of 

 New York was furnished by Mr. B. J. M. Carlcy through Mr. E. 

 G. Blackford, of New York. 



«. Growth. 1-20 years old: 



3-2958. Young spat on various stools. South Norwalk, Conn. 

 32957. One year old. South Norwalk, Conn. 



32967. Two to three years old. Natural growth. South Norwalk, Conn. 



32968. Three to four years old. Natural growth. South Norwalk, Conn, 

 32985. " Cullers." Three to four years old. South Norwalk, Conn. 

 32962. Three years after transplantation. South Norwalk, Conn. 

 32964. "Box." Four to six years old. South Norwalk, Conn. 



32916. " Cullers." Three years old. Vicinity of New York. 

 32918. " Single extra." Four years old. Vicinity of New York. 

 32776. "Double extra." Vicinity of New York. 



32917. "Box." Three years old. Vicinity of New York. 



h. Peculiarities of form and growth: 



32959. " Pinched" oyster from muddy bottom. South Norwalk, Conn. 

 32930. Showing effect of transplanting the "pinched" from a muddy to a 



hard bottom. South Norwalk, Conn. 

 32787. Form caused by growing in a tideway. Vicinity of New York. 

 32786. Form caused by growing in still water. Vicinity of New York. 

 32974. Curious forms of shell. South Norwalk, Coun. 

 32782. Peculiar growth. Vicinity of New York. 

 32795. Specimens of peculiar form. Vicinity of New York. 



32971. Natural growth ou stone. South Norwalk, Conn. 



32973. Natural growth on part of stone jug. South Norwalk, Conn. 



32972. Natural growth on shells. South Norwalk, Conn. 

 32970. Natural growth on bottle. South Norwalk, Conn. 

 32969. Natural growth on crab. South Norwalk, Conn. 



32780. Illustrating methods of attachment. Vicinity of New York. 

 32914. Blue Poiut "seed." Long Island, New York. 

 32789. Rosette of oysters. Vicinity of New York. 



32792. Shell growing on Mactra shell. Vicinity of New York. 

 32794. " Seed " on old rubber boot. Vicinity of New York. 



32793. " Seed" growing on stone. Vicinity of New York. 

 32895. " Seed " on rubber shoe. Vicinity of New York. 

 32894. " Seed" on bone. Vicinity of New York. 



32797. " Seed " on bark. Vicinity of New York. 



32798. " Seed " on leather shoe. Vicinity of New York. 

 32932. " Seed" on old boot-leg. Vicinity of New York. 



c. Enemies and parasites : 



32927. Specimens iujured l)y whelk. South Norwalk, Conn. 

 32929. Specimens injured by hairy whelk. South Norwalk, Conn. 



