ANIMAL RESOURCES AND FISHERIES OF UNITED STATES 255 

 2. Series illustrating culture aud individual variations: 

 Ostrea virgiiiica, Gmelin. EAST AMERICAN OYSTERS. 



That portion of the series from South Xorwalk, 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 

 Xew York was furnished by Mr. B. J. M. Carley through Mr. E. 

 G. Blackford, of Xew York. 



a. Growth. 1-20 years old: 



32958. Young spat ou various stools. South Xorwalk, Conn. 

 32957. One year old. South Xorwalk, Conn. 



32967. Two to three years old. Xatural growth. South Xorwalk, Conn. 



32968. Three to four years old. Xatural growth. South Xorwalk, Conn. 

 32935. " Cullers.' 7 Three to four years old. South Xorwalk, Conn. 

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

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



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

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

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



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



&. Peculiarities of form and growth: 



32959. u Pinched" oyster from muddy bottom. South Xorwalk, Conn. 

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



hard bottom. South Xorwalk, Conn. 



:>'J787. Form caused by growing in a tideway. Vicinity of Xew Y r ork. 

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

 32974. Curious forms of shell. South Xorwalk, Conn. 

 32782. Peculiar growth. Vicinity of Xe\v York. 

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



32971. Xatural growth on stone. South Xorwalk. Conn. 



32973. Xatural growth ou part of stone jug. South Xorwalk, Conn. 



32972. Xatural growth on shells. South Xorwalk, Conn. 

 32970. Xatural growth on bottle. South Xorwalk, Conn. 



32969. Xatural growth on crab. South Xorwalk, Conn. 



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

 32914. Blue Point "seed." Long Island, Xew York. 

 32789. Rosette of oysters. Vicinity of Xew York. 



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

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



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

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

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



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



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

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



c. Enemies and parasites : 



32927. Specimens injured by whelk. South Xorwalk, Conn. 

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



