Contents of Volume 3, Number 2

Edwin W Cake, Jr.
Symbiotic Associations Involving the Southern Oyster Drill Thais haemastoma floridana (Conrad) and Macrocrustaceans in Mississippi Waters, pp. 117-128

Robert W. Elner and Rene E. Lavoie
Predation on American Oysters (Crassostrea virginica [Gmelin]) by American Lobsters (Homarus americanus Milne-Edwards), Rock Crabs (Cancer irroratus Say), and Mud Crabs (Neopanope sayi [Smith]), pp. 129-134

M. F. Li, R. E. Drinnan, Michael Drebot, Jr. and Gary Newkirk
Studies of Shell Disease of the European Flat Oyster Ostrea edulis Linne in Nova Scotia, pp. 135-140

Dexter S. Haven and James P. Whitcomb
The Origin and Extent of Oyster Reefs in the James River, Virginia, pp. 141-151

Norman E. Buroker
Genetic Differentiation and Population Structure of the American Oyster Crassostrea virginica (Gmelin) in Chesapeake Bay, pp. 153-167

Randal L. Walker
Feasibility of Mariculture of the Hard Clam Mercenaria mercenaria Linne in Coastal Georgia, pp. 169-174

Don P. Manthe, Ronald F. Malone and Harriet M. Perry
Water Quality Fluctuations in Response to Variable Loading in a Commercial, Closed Shedding Facility for Blue Crabs, pp. 175-182

George R. Abbe
Blue Crab (Callinectes sapidus Rathbun) Populations in Mid-Chesapeake Bay in the Vicinity of the Calvert Cliffs Nuclear Power Plant, 1968-1981, pp. 183-193

William E. Donaldson
Movements of Tagged Males of Tanner Crab Chionoecetes bairdi Rathbun off Kodiak Island, Alaska, pp. 195-201

RESEARCH NOTE

M. C. Gibbons, J. G. Goodsell, M. Castagna and R. A. Lutz
Chemical Induction of Spawning by Serotonin in the Ocean Quahog Arctica islandica (Linne), pp. 203-205

Membership Listing of the National Shellfisheries Association, pp. 207-221