Contents of Volume 5, Number 2

Roger Mann
Seasonal Changes in the Depth-Distribution of Bivalve Larvae on the Southern New England Shelf, pp. 57-64

M. C. Gibbons and M. Castagna
Responses of the Hard Clam Mercenaria mercenaria (Linne) to Induction of Spawning by Serotonin, pp. 65-67

John N. Kraeuter and Michael Castagna
The Effects of Seed Size, Shell Bags, Crab Traps, and Netting on the Survival of the Northern Hard Clam Mercenaria mercenaria (Linne), pp. 69-72

M. Grazia Corni, Marco Farneti, and Emilio Scarselli
Histomorphological Aspects of the Gonads of Chamelea gallina (Linne) (Bivalvia; Veneridae) in Autumn, pp. 73-80

Clyde L. MacKenzie, Jr, David I. Radosh and Robert N. Reid
Densities, Growth, and Mortalities of Juveniles of the Surf Clam (Spisula solidissima) (Dillwyn) in the New York Bight, pp. 81-84

Susan E. Ford
Effects of Salinity on Survival of the MSX Parasite Haplosporidium nelsoni (Haskin, Stauber, and Mackin) in Oysters, pp. 85-90

Roger I. E. Newell
Physiological Effects of the MSX Parasite Haplosporidium nelsoni (Haskin, Stauber and Mackin) on the American Oyster Crassostrea virginica (Gmelin), pp. 91-95

Robert Bisker and Michael Castagna
The Effect of Various Levels of Air-Supersaturated Seawater on Mercenaria mercenaria (Linne), Mulinia lateralis (Say), and Mya arenaria Linne, with Reference to Gas-Bubble Disease, pp. 97-102

M C. L. Dredge
Estimates of Natural Mortality and Yield-Per-Recruit for Amusium japonicum balloti Bernardi (Pectinidae) Based on Tag Recoveries, pp. 103-109