Contents of Volume 4, Number 2

Phyllis C. Braun, Theodore J. Combs and Walter J. Blogoslawski
Changes in Thymidine Incorporation by Larvae of the American Oyster Crassostrea virginica (Gmelin) After Challenge by Two Species of Yeast (Candida), pp. 113-117

John J. Manzi, N. H. Hadley, C. Battey, R. Haggerty, R. Hamilton and M. Carter
Culture of the Northern Hard Clam Mercenaria mercenaria (Linne) in a Commercial-Scale, Upflow, Nursery System, pp. 119-124

Randal L. Walker and Celeste M. Humphrey
Growth and Survival of the Northern Hard Clam Mercenaria mercenaria (Linne) From Georgia, Virginia, and Massachusetts in Coastal Waters of Georgia, pp. 125-129

N. A. Sloan and S. M. C. Robinson
Age and Gonad Development in the Geoduck Clam Panope abrupta (Conrad) From Southern British Columbia, Canada, pp. 131-137

Peter J. Auster and Lee R. Crockett
Foraging Tactics of Several Crustacean Species for Infaunal Prey, pp. 139-143

Elizabeth L. Wenner and Alvin D. Stokes
Observations on the Fishable Population of the Stone Crab Menippe mercenaria (Say) in South Carolina Waters, pp. 145-153

RESEARCH NOTE

Ravenna Ukeles, Gary H. Wikfors and Joseph W. Twarog, Jr.
Relative Growth Rate Cycles in Crassostrea virginica (Gmelin) Fed Five Algal Diets, pp. 155-159

Anja M. Robinson and Wilbur P. Breese
Gonadal Development and Hatchery Rearing Techniques for the Manila Clam Tapes philippinarum (Adams and Reeve), pp. 161-163

Anja M. Robinson and Wilbur P. Breese
Spawning Cycle of the Weathervane Scallop Pecten (Patinopecten) caurinus Gould Along the Oregon Coast, pp. 165-166