Contents of Volume 17, Number 4

Madeleine Nadeau and Georges Cliche
Predation of juvenile sea scallops (Placopecten magellanicus) by crabs (Cancer irroratus and Hyas sp.) and starfish (Asterias vulgaris, Leptasterias polaris, and Crossaster papposus), pp. 905-910

Paul A. X. Bologna
Growth, production, and reproduction in bay scallops Argopecten irradians concentricus (Say) from the northern Gulf of Mexico, pp. 911-917

P. Trotia and C. A. Cordisco
Gonadal maturation, conditioning, and spawning in the laboratory and maturation cycle in the wild of Cerastoderma glaucum Bruguiere, pp. 919-923

Jorge L Gutiirrez and Oscar a Iribarne
The occurrence of juveniles of the grapsid crab Chasmagnathus granulata in siphon holes of the stout razor clam Tagelus plebeius, pp. 925-929

J. M. Nakagaki and M. L Negreiros-Fransozo
Population biology of Xiphopenaeus kroyeri (Heller 1862) (Decapoda: Penaeidae) from Ubatuba Bay, Sio, Paulo, Brazil, pp. 931-935

M. E. Chase and M. L H. Thomas
Production and resource allocation in the periwinkle, Littorina littorea (Linnaeus 1758), on Pendleton Island, New Brunswick, pp. 937-944

Laura L Weber, John A Thorpe, Ricardo S. Santos, and Stephen J. Hawkins
Identification of stocks of the exploited limpets Patella aspera and P. candei at Madeira Archipelago by allozyme electrophoresis, pp. 945-953

A. W. Stoner, N. Mehia, and M. Ray-Culp
Mesoscale distribution patterns of queen conch (Strombus gigas Linne) in Exuma Sound, Bahamas: Links in recruitment from larval to fishery yields, pp. 955-969

Li-Lian Liu and Yuh-Wen Chiu
Allozyme and morphological evidence supporting the separation of Babylonia formosae formosae from B. formosae habei at specific level (Prosobranchia: Buccinidae), pp. 971-977

James O. Harris, Christopher M. Burke, and Greg B. Maguire
Characterization of the digestive tract of greenlip abalone, Haliotis laevigata Donovan. 1. Morphology and histology, pp. 979-988

James O. Harris, Christopher M. Burke, and Greg B. Maguire
Characterization of the digestive tract of greenlip abalone, Haliotis laevigata Donovan. H. Microenvironment and bacterial flora, pp. 989-994

Andrew Bissett, Chris Burke, Graeme A. Dunstan, and Greg B. Maguire
Bacterial colonization of a formulated abalone diet during extended immersion, pp. 995-1002

William R. Bechtol and Richard L Gustafson
Abundance, recruitment, and mortality of Pacific littleneck clams Protothaca staminea at Chugachik Island, Alaska, pp. 1003-1008

Federico Garcia-Dominguez, Bertha Patricia Ceballos- Vazquez, Marcial Villalejo-Fuerte, and Marcial Arellano-Martinez
Reproductive cycle of the giant reef clam Periglypta multicostata (Sowerby, 1835) (Pelecypoda: Veneridae) at Isla Espiritu Santo, Baja California Sur, Mexico, pp. 1009-1013

Sandra L. Macfarlane
The evolution of a municipal quahog (hardclam), Mercenaria mercenaria management program, a 20-year history: 1975-1995, pp. 1015-1036

Marcial Villalejo-Fuerte and Federico Garcia-Dominguez
Reproductive cycle of Spondylus leucacanthus Broderip, 1833 (Bivalvia: Spondylidae) at Isla Danzante, Gulf of California, pp. 1037-1042

William G. Ambrose Jr., Max Dawson, Chris Gailey, Petra Ledkovsky, Shawn O'Leary, Benjamin Tassinari, Heidi Vogel, and Cliff Wilson
Effects of baitworm digging on the soft-shelled clam, Mya arenaria, in Maine: Shell damage and exposure on the sediment surface, pp. 1043-1049

Eduardo Martinez-Manzanares, Dolores Castro, J. Ignacio Navas, M. Lourdes Lopez-Cortes, and Juan J. Borrego
Transmission routes and treatment of brown ring disease affecting manila clams (Tapes philippinarum), pp. 1051-1056

Shirlena W. L Soh, Greg B. Maguire, and Robert D. Ward
Genetic studies of the venerid clam genus Katelysia, pp. 1057-1064

Greg N. Kent, Greg B. Maguire, Martin John, Miles Cropp, and Ken Frankish
Broodstock conditioning, spawning induction, and larval rearing of the stepped venerid, Katelysia scalarina (Lamark 1818), pp. 1065-1070

Thomas M. Soniat and Enrique V. Kortright
Estimating time to critical levels of Perkinsus marinus in eastern oysters, Crassostrea virginica, pp. 1071-1080

Patrick Baker and Roger Mann
Response of settling oyster larvae, Crassostrea virginica, to specific portions of the visible light spectrum, pp. 1081-1083

Deborah A. Moroney and Randal L. Walker
Recruitment patterns of the eastern oyster, Crassostrea virginica, along a creek gradient in House Creek, Little Tybee Island, Georgia, pp. 1085-1091

Sean J. Handley
Power to the oyster: Do spionid-induced shell blisters affect condition in subtidal oysters?, pp. 1093-1099

Melissa Southworth and Roger Mann
Oyster reef broodstock enhancement in the Great Wicomico River, Virginia, pp. 1101-1114

Rosalind E. Hand, John A. Nell, and Greg B. Maguire
Studies on triploid oysters in Australia. X. Growth and mortality of diploid and triploid Sydney rock oysters Saccostrea commercialis (Iredale and Roughley), pp. 1115-1127

Rosalind E. Hand, John A. Nell, Ian R. Smith, and Greg B. Maguire
Studies on triploid oysters in Australia. XI. Survival of diploid and triploid Sydney rock oysters (Saccostrea commercialis (Iredale and Roughley)) through outbreaks of winter mortality caused by Mikrocytos roughleyi infestation, pp. 1129-1135

Sammy De Grave, Sarah Jane Moore, and Gavin Burnell
Changes in benthic macrofauna associated with intertidal oyster, Crassostrea gigas (Thunberg) culture, pp. 1137-1142

Earl Melancon, Jr., Thomas Soniat, Vincent Cheramie, Ron Dugas, John Barras, and Mark Lagarde
Oyster resource zones of the Barataria and Terrebonne estuaries of Louisiana, pp. 1143-1148

Thomas M. Soniat, Eric N. Powell, Eileen E. Hofmann, and John M. Klinck
Understanding the success and failure of oyster populations: The importance of sampled variables and sample timing, pp. 1149-1165

J. Cigarria, J. Fernandez and L P. Magadan
Feasibility of biological control of algal fouling in intertidal oyster culture using periwinkles, pp. 1167-1169

Bruce J. Barber, Christopher V. Davis, and Maya A. Crosby
Cultured oysters, Crassostrea virginica, genetically selected for fast growth in the Damariscotta River, Maine, are resistant to mortality caused by juvenile oyster disease (JOD), pp. 1171-1175

Ralph A. Elston, Paul Frelier, and Dan Cheney
Systemic gregarine-like protozoa in juvenile Pacific oysters, Crassostrea gigas (Thunberg 1793), pp. 1177-1181

John T. Buchanan, Gregory S. Roppolo, John E. Supan, and Terrence R. Tiersch
Conditioning of eastern oysters in a closed, recirculating system, pp. 1183-1189

Rejean Tremblay, Bruno Myrand, and Jean-Marie Sevigny
Genetic characterization of wild and suspension-cultured blue mussels (Mytilus edulis Linneaus, 1758) in the Magdalen Islands (southern Gulf of St. Lawrence, Canada), pp. 1191-1202

Jorge E. Toro
Molecular identification of four species of mussels from southern Chile by PCR-based nuclear markers: The potential use in studies involving planktonic surveys, pp. 1203-1205

Shirley M. Baker, Jeffrey S. Levinton, Josepha P. Kurdziel, and Sandra E. Shumway
Selective feeding and biodeposition by zebra mussels and their relation to changes in phytoplankton composition and seston load, pp. 1207-1213

Anne E. Lamers, Jake P. Heiney, and Jeffery L. Ram
Isolation and characterization of a cDNA encoding an actin protein from the zebra mussel, Dreissena polymorpha, pp. 1215-1217

Alexander Y. Karatayev, Lyubov E. Burlakova, and Dianna K. Padilla
Physical factors that limit the distribution and abundance of Dreissena polymorpha (Pall.), pp. 1219-1235

Ronald L. Johnson, Fang Qing Liang, and Jerry L. Farris
Genetic relationships of several amblemini species (Bivalvia: Unionidae) in Arkansas, pp. 1237-1242

T. Aune, H. Ramstad, B. Heidenreich, T. Landsverk, T. Waaler, E. Egaas, and K. Julshamn
Zinc accumulation in oysters giving mouse deaths in paralytic shellfish poisoning bioassay, pp. 1243-1246

Darrell W. Donahue, Robert C. Bayer, and Michael Loughlin
Examination of lead levels in the American lobster, Homarus americanus, from three sites in Maine, pp. 1247-1249

J.-H. Lignot, G. Charmantier, and J.-C. Cochard
Effect of an organophosphorus insecticide, Fenitrothion, on survival, osmoregulation, and acetylcholinesterase activity in different life stages of two penaeid shrimps: Penaeus stylirostris and Penaeus vannamei (Crustacea, Decapoda), pp. 1251-1258

Volker Koch, Matthias Wolff, Volker Gronemeier, and Elke Sorgenicht
A device for accurate and rapid size measurements of molluscs, pp. 1259-1261

Abstracts of technical papers presented at the 5 1 st annual meeting of Pacific Coast Oyster Growers, Newport, Oregon, September 23-25, 1997, pp. 1263-1273

Abstracts of technical papers presented at the 52nd annual meeting of Pacific Coast Oyster Growers Association, Nanaimo, British Columbia, October 14-16, 1998, pp. 1275-1285

Abstracts of technical papers presented at the International Conference on Shellfish Restoration, Hilton Head Island, South Carolina, November 18-21, 1998, pp. 1287-1318

Errata
L.J. Rugolo, K.S. Knotts, A.M. Lange, and V.A. Crecco
Stock assessment of Chesapeake Bay blue crab (Callinectes sapidus Rathbun), pp. 1321-1345