Contents of Volume 9, Number 2

In memoriam-Sung Y. Feng, pp. i-iii

R. A. Rose, R. E. Dybdahl and S. Harders
Reproductive cycle of the Western Australian silverlip pearl oyster, Pinctada maxima (Jameson) (Mollusca:Pteriidae), pp. 261-272

A. Campbell, N. Bourne and W. Carolfeld
Growth and size at maturity of the Pacific gaper Tresus nuttallii (Conrad, 1837) in Southern British Columbia, pp. 273-278

Katsuhiko T. Wada, John Scarpa and Standish K. Allen
Karyotype of the dwarf surfdam Mulinia lateralis (Say, 1822) (Mactridae, Bivalvia), pp. 279-281

S. M. C. Robinson and T. W. Rowell
A re-examination of the incidental fishing mortality of the traditional clam hack on the softshell, Mya arenaria Linneaus, 1758, pp. 283-289

T. W. Rowell and P. Woo
Predation by the nemertean worm, Cerebratulus lacteus Verrill, on the softshell, Mya arenaria Linnaeus, 1758, and its apparent role in the destruction of a clam flat, pp. 291-297

Ann E. Bass, Robert E. Malouf and Sandra E. Shummay
Growth of northern quahogs (Mercenaria mercenaria (Linnaeus, 1758)) fed on picoplankton, pp. 299-307

Arnold G. Eversole, Joy G. Goodsell and Peter J. Eldridge
Biomass production and turnover of northern quahogs, Mercenaria mercenaria (Linnaeus, 1758), at different densities and tidal locations, pp. 309-314

Dan C. Marelli and William S. Arnold
Estimates of losses associated with field depuration (relaying) of Mercenaria spp. in the Indian River Lagoon, Florida, pp. 315-321

Roger Mann and Julia S. Rainer
Effect of decreasing oxygen tension on swimming rate of Crassostrea virginica (Gmelin, 1791) larvae, pp. 323-327

Paul D. Kenny, William K. Minchener and Dennis M. Allen
Spatial and temporal patterns of oyster settlement in a high salinity estuary, pp. 329-339

G. Curtis Roegner and Roger Mann
Settlement patterns of Crassostrea virginica (Gmelin, 1791) larvae in relation to tidal zonation, pp. 341-346

Raymond E. Grizzle
Distribution and abundance of Crassostrea virginica (Gmelin, 1791) (eastern oyster) and Mercenaria spp. (quahogs) in a coastal lagoon, pp. 347-358

George C. Matthiesssen, Sung Y. Feng and Louis Leibovitz
Patterns of MSX (Haplosporidium nelsoni) infection and subsequent mortality in resistant and susceptible strains of the eastern oyster Crassostrea virginica (Gmelin, 1791), in New England, pp. 359-365

Julie D. Gauthier and William S. Fisher
Hemolymph assay for diagnosis of Perkinsus marinus in oysters Crassostrea virginica (Gmelin, 1791), pp. 367-371

Walter T. Momot, P. Lynn Hauta and James A. Schaefer
Yield estimates for the virile crayfish Orconectes virilis (Hagen, 1870), employing the Schaefer logistic model, pp. 373-381

Thomas B. Lawson, Harnarine Lalla and Robert P. Romaire
Purging crawfish in a water spray system, pp. 383-387

George R. Baskin and John Henry Wells
Evaluation of alternative cooking schemes for crawfish processing, pp. 389-393