356 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
In the preparation of the foregoing paper the principal references have been as 
follows : 
Ryder: Experiments in Oyster-Culture; Maryland Fish Commission Report, 1881. 
Brooks : Development of the American Oyster ; 1880. 
Brooks: American Oyster; Johns Hopkins University, 1891. 
Winslow: Reports on Oyster Beds of Tangier Sound, etc. ; Maryland Fish Commission Report, 1880. 
Winslow: Reports on Oyster Beds of the James River; U. S. Coast Survey, 1881. 
McCrady: Food of the Oyster; Proceedings Boston Soc. Nat. Hist., 1873. 
Colson: Mill-pond Oyster of Charleston; Elliott Soc., March, 1888. 
Renaud: Notice sur Phuitre Portugaise et Franc;, aise cultiv6e dans la Baie d’Arcachon; 1878. 
Lockwood: American Oyster; New Jersey Report of Statistics, 1882. 
Turrell : La Pisciculture et la Parcs a Coquillages de la rade de Toulon ; Bull, de la Soc. d’ Acclimation, 
Paris, 1878. 
Ingersoll: Oyster Industry, Tenth Census. 
Mobius : Ueher Austern ; Hempel & Parey, Berlin, 1870. 
Mobius : Die Auster und die Austern wirthschaft ; Hempel & Parey, Berlin, 1877. 
Bouchon-Brandeley : Ostreiculture dans la Mediterranee ; Wittersheim, Paris, 1878. 
Drake : Oyster-Grounds of Georgia ; U. S. Coast Survey, 1890. 
Pritchard: Infusoria; Wittaker, London, 1861. 
William Smith: Synopsis of British Diatomacese; Van Voorst, London, 1856. 
Bailey: Diatoms of South Carolina; Smithsonian Contributions, 1853. 
A number of articles in New York Fish Commission Reports ; 1884-87. 
Memoir upon Composition and Variation of Ocean Water: Challenger. 
Memoir upon Composition and Variation of Ocean Water; Forchhammer, Phil. Trans., 115. 
Wolle: Diatomacese of North America; Bethlehem, Pa., 1890. 
