Contents of Volume 13, Number 1

IN MEMORIAM
Daniel Branch Quayle (1913-1993), pp. 1-4

Catharine M. C. Haines, Malcolm Edmunds and Arthur R. Pewsey
The pea crab, Pinnotheres pisum (Linnaeus, 1767), and its association with the common mussel, Mytilus edulis (Linnaeus, 1758), in the Solent (UK), pp. 5-10

S. C. Webb and J. L. Korrubel
Shell weakening in marine mytilids attributable to blue-green algae Mastigocoleus Sp. (Nostochopsidaceae), pp. 11-17

E. L. R. Kenchington
Spatial and temporal variation in adductor muscle RNA/DNA ratio in sea scallops Placopecten magellanicus (Gmelin, 1791) in the Bay of Fundy, Canada, pp. 19-24

M. Giguere and S. Brulotte
Comparison of sampling techniques, video and dredge, in estimating sea scallop Placopecten magellanicus (Gmelin, 1791) populations, pp. 25-30

M. Giguere, G. Cliche, and S. Brulotte
Reproductive cycles of the sea scallop, Placopecten magellanicus (Gmelin), and the Iceland scallop, Chlamys islandica (O. F. Muller), in Iles-de-la-Madeleine, Canada, pp. 31-36

Giovanni Sbrenna and Diana Campioni
Gametogenic and spawning patterns of Manila clams Tapes philippinarum (A. Adams and Reeve, 1850) in two lagoons of the River Po delta, Italy, pp. 37-46

Peter Coutteau, Karen Cure and Patrick Sorgeloos
Effect of algal ration on feeding and growth of juvenile Manila clam Tapes philippinarum (A. Adams and Reeve, 1850), pp. 47-55

Louis H. DiSalvo and Melbourne R. Carriker
Planktonic, metamorphic, and early benthic behavior of the Chilean loco Concholepas concholepas (Muricidae, Gastropoda, Mollusca), pp. 57-66

J. P. Fidalgo, A. Cid, I. Lopez-Munoz, J. Abalde and C.Herrero
Growth and biochemical profile of juvenile mussels Mytilus galloprovincialis Lmk on different algal diets, pp. 67-75

Ricardo Beiras, Alejandro Perez Camacho and Marina Albentosa
Influence of temperature on the physiology of growth in Ruditapes decussatus (L.) larvae, p. 77-83

Alejandra Garcia-Gasca, J. Rosa Isabel Ochoa-Baez and Miguel Betancourt
Microscopic anatomy of the mantle of the pearl oyster Pinctada magatianica (Hanley, 1856), p. 85-91

Katsuyuki Numaguchi
Growth and physiological condition of the Japanese pearl oyster, Pinctada ficata martensii (Dunker, 1850) in Ohmura Bay, Japan, pp. 93-99

Gustavo W. Calvo and Eugene M. Burreson
In vitro and in vivo effects of eight chemotherapeutants on the oyster parasite, Perkinsus marinus (Mackin, Owen & Collier), pp. 101-107

Bruce J. Barber and Roger Mann
Comparative physiology of eastern oysters, Crassostrea virginica (Gmelin, 1791), and Pacific oysters, Crassostrea gigas (Thunberg, 1793): Growth, mortality and effects of the parasite, Perkinsus marinus, pp. 109-114

Marnita M. Chintala, Susan E. Ford, William S. Fisher and Kathryn A. Ashton-Alcox
Oyster serum agglutinins and resistance to protozoan parasites, pp. 115-121

Lisa M. Ragone Calvo and Eugene M. Burreson
Characterization of overwintering infections of Perkinsus marinus (Apicomplexa) in Chesapeake Bay oysters, pp. 123-130

George E. Krantz
Chemical inhibition of Perkinsus marinus in two in vitro culture systems, pp. 131-136

Christopher V. Davis and Bruce J. Barber
Size-dependent mortality in hatchery-reared populations of oysters, Crassostrea virginica (Gmelin 1791), affected by juvenile oyster disease, pp. 137-142

Stephen J. Kleinschuster, Susan E. Ford and Sharon L. Swink
In vitro culture and maintenance of Haplosporidium nelsoni (Haskin, Stauber and Mackin, 1966) Sprague 1978 (MSX), pp. 143-155

Roger Mann, Julia S. Rainer and Reinaldo Morales-Alamo
Reproductive activity of oysters, Crassostrea virginica (Gmelin, 1791) in the James River, Virginia, during 1987-1988, pp. 157-164

Eileen E. Hofmann, John M. Klinck, Eric N. Powell, Stephanie Boyles and Matthew Ellis
Modeling oyster populations II. Adult size and reproductive effort, pp. 165-182

Greg S. Jakob and Jaw-Kai Wang
The effect of manual handling on oyster growth in land-based cultivation, pp. 183-186

Maria Bernadete N. Lemos, Iracema A. Nascimento, Milena M. S. Araujo, Solange A. Pereira, Ironildes Bahia and Donald H. Smith
The combined effects of salinity, temperature, antibiotic and aeration on larval growth and survival of the mangrove oyster, Crassostrea rhizophorae (Guilding, 1828), pp. 187-192

Ximing Guo, William K. Hershberger, Kenneth Cooper and Kenneth K. Chew
Tetraploid induction with mitosis I inhibition and cell fusion in the Pacific oyster Crassostrea gigas (Thunberg, 1793), pp. 193-198

Elise Mayrand, Jocelyne Pellerin-Massicotte and Bruno Vincent
Small scale variability of biochemical indices of growth in Mya arenaria Linnaeus, 1759, pp. 199-205

Larry L. LeClair and Stevan R. Phelps
Genetic characteristics and relationships of five razor clam [Siliqua patula (Dixon, 1789)] populations along the Pacific coast of North America, pp. 207-216

W. Ray McClain
Evaluation of grading, deputation, and storage time on crawfish mortality during cold storage, pp. 217-220

A. Plusquellec, M. Beucher, C. LeLay, D. Gueguen and Y. LeGal
Uptake and retention of salmonella by bivalve shellfish, pp. 221-227

Robert B. Whitlatch and Richard W. Osman
A qualitative approach to managing shellfish populations: Assessing the relative importance of trophic relationships between species, pp. 229-242

Don W. Schloesser, Abraham bij de Vaate and Ann Zimmerman
A bibliography of Dreissena polymorpha in European and Russian waters: 1964-1993, pp. 243-267

Abstracts of technical papers presented at the 86th Annual Meeting of the National Shellfisheries Association, Charleston, South Carolina, April 24-28, 1994, pp. 269-306

Abstracts of technical papers presented at the 14th Annual Aquaculture Seminar, Milford, Connecticut, February 22-24, 1994, pp. 307-324

Abstracts and annotated list of papers presented at Pearls '94, International Pearl Conference, Honolulu, Hawaii, May 14-19, 1994, pp. 325-354