Contents of Volume 8, Number 1

In memoriam: John W. Ropes

R. G. Getchell
Bacterial shell disease in crustaceans: A review, pp. 1-6

D. E. Aiken and S. L. Waddy
Allometric growth and onset of maturity in male American lobsters (Homarus americanus): The crusher propodite index, pp. 7-11

D. A. Robichaud, R. F. J. Bailey and R. W. Elner
Growth and distribution of snow crab, Chionoecetes opilio, in the southeastern Gulf of St. Lawrence, pp. 13-23

Robert Bisker, Mary Gibbons and Michael Castagna
Predation by the oyster toadfish Opsanus tau (Linne) on blue crabs and mud crabs, predators of the hard clam, Mercenaria mercenaria (Linnaeus, 1758), pp. 25-31

Robert Bisker and Michael Castagna
Biological control of crab predation on hard clams Mercenaria mercenaria (Linnaeus, 1758) by the toadfish Opsanus tau (Linne) in tray culture, pp. 33-36

Kathleen McMurrer Huntington and Douglas C. Miller
Effects of suspended sediment, hypoxia and hyperoxia on larval Mercenaria mercenaria (Linnaeus, 1758), pp. 37-42

Donald M. Hesselman, Bruce J. Barber and Norman J. Blake
The reproductive cycle of adult hard clams, Mercenaria spp. in the Indian River lagoon, Florida, pp. 43-49

Peter B. Heffernan, Randal L. Walker and John L. Carr
Gametogenic cycles of three bivalves in Wassaw Sound, Georgia: I. Mercenaria mercenaria (Linnaeus, 1758), pp. 51-60

Peter B. Heffernan, Randal L. Walker and John L. Carr
Gametogenic cycles of three bivalves in Wassaw Sound, Georgia: II. Crassostrea virginica (Gmelin, 1791), pp. 61-70

Reinaldo Morales-Alamo and Roger Mann
Anatomical features in histological sections of Crassostrea virginica (Gmelin, 1791) as an aid in measurements of gonad area for reproductive assessment, pp. 71-82

Julie D. Gauthier and Thomas M. Soniat
Changes in the gonadal state of Louisiana oysters during their autumn spawning season, pp. 83-86

James M. Marcus, Geoffrey I. Scott and Deborah D. Heizer
The use of oyster shell thickness and condition index measurements as physiological indicators of no heavy metal pollution around three coastal marinas, pp. 87-94

Robert L. Allen and R. Eugene Turner
Environmental influences on the oyster industry along the west coast of Florida, pp. 95-104

James P. Whitcomb and Dexter S. Haven
The location and topography of oyster reefs in the Rappahannock River Estuary, Virginia, pp. 105-116

Ronald M. Weiner, Marianne Walch, Michael P. Labare, Dale B. Bonar and Rita Colwell
Effect of biofilms of the marine bacterium Alteromonas colwelliana (LST) on set of the oysters Crassostrea gigas (Thunberg, 1793) and C. virginica (Gmelin, 1791), pp. 117-123

K-S. Choi, E. A. Wilson, D. H. Lewis, E. N. Powell and S. M. Ray
The energetic cost of Perkinsus marinus parasitism in oysters, quantification of the thioglycollate method, pp. 125-131

C. S. Friedman, T. McDowell, J. M. Groff, J. T. Hollibaugh, D. Manzer and R. P. Hedrick
Presence of Bonamia ostreae among populations of the European flat oyster, Ostrea edulis Linnaeus, 1750, in California, USA, pp. 133-137

James E. Kirkley and William D. DuPaul
Commercial practices and fishery regulations: The United States northwest Atlantic sea scallop, Placopecten magellanicus (Gmelin, 1791), fishery, pp. 139-149

Ronald J. Smolowitz, Frederic M. Serchuk and Robert J. Reidman
The use of a volumetric measure for determining sea scallop meat count, pp. 151-172

William D. DuPaul, James E. Kirkley and Anne C. Schmitzer
Evidence of a semiannual reproductive cycle for the sea scallop, Placopecten magellanicus (Gmelin, 1791), in the mid-Atlantic region, pp. 173-178

B. A. MacDonald and N. F. Bourne
Growth of the purple-hinge rock scallop, Crassadoma gigantea (Gray, 1825) under natural conditions and those associated with suspended culture, pp. 179-186

Carter R. Newell, Sandra E. Shumway, T. L. Cucci and R. Selvin
Effects of natural seston particle size and type on feeding rates, feeding selectivity and food resource availability for the mussel Mytilus edulis Linnaeus, 1758 at bottom culture sites in Maine, pp. 187-196

S. J. Dobbinson, M. F. Barker and J. B. Jillett
Experimental shore level transplantation of the New Zealand cockle Chione stutchburyi, pp. 197-212

Bruce A. Anderson, Arnold G. Eversole and William D. Anderson
Variations in shell and radula morphologies of knobbed whelks, pp. 213-218

John N. Kraeuter, Michael Castagna and Robert Bisker
Growth rate estimates for Busycon carica (Gmelin, 1791) in Virginia, pp. 219-225

James M. Grady, Thomas M. Soniat and James S. Rogers
Genetic variability and gene flow in populations of Crassostrea virginica (Gmelin, 1791) from the northern Gulf of Mexico, pp. 227-232

M. Richard deVoe and Andrew S. Mount
An analysis of ten state aquaculture leasing systems: Issues and strategies, pp. 233-239

Steve M. Malinowski and Scott E. Siddall
Passive water reuse in a commercial-scale hard clarn, Mercenaria mercenaria (Linnaeus, 1758) upflow nursery system, pp. 241-248

Peter J. Wangersky, Christopher C. Parrish and Charles P. Wangersky
An automated mass culture system for phytoplankton, pp. 249-252

Rikk G. Kvitek and Mark K. Beitler
An addendum to a case for sequestering of paralytic shellfish toxins as a chemical defense, p. 253

Proceedings of the Special Symposium: Crawfish Industry Status and Trends, presented at the 1988 Annual Meeting of the National Shellfisheries Association, New Orleans, Louisiana June 26-30, 1988, pp. 255-313

Introduction, p. 257

Jay V. Huner
Overview of international and domestic freshwater crawfish, pp. 259-265

Lawrence W. de la Bretonne, Jr. and Robert P. Romaire
Commercial crawfish cultivation practices: A review, pp. 267-275

Marlin W. Brunson
Forage and feeding systems for commercial crawfish culture, pp. 277-280

Robert P. Romaire
Overview of harvest technology used in commercial crawfish culture, pp. 281-286

Dudley D. Culley and Leon Duobinis-Gray
Soft-shell crawfish production technology, pp. 287-291

Michael W. Moody
Processing of freshwater crawfish, pp. 293-301

Kenneth J. Roberts and Lynn Dellenbarger
Louisiana crawfish product markets and marketing, pp. 303-307

Arnold G. Eversole and Robert S. Pomeroy
Crawfish culture in South Carolina, pp. 309-313

Abstracts of Technical Papers Presented at the 42nd Annual Meeting of the Pacific Coast Oyster Growers Association and National Shellfisheries Association (Pacific Coast Section), Olympia, Washington, September 22-24, 1988, pp. 315-325