Contents of Volume 12, Number 1

Lisa M. Ragone and Eugene M. Burreson
Effect of salinity on infection progression and pathogenicity of Perkinsus marinus in the eastern oyster, Crassostrea virginica (Gmelin, 1791), pp. 1-7

Walter R. Keithly, Jr., Kenneth J. Roberts and Ronald Dugas
Dynamics in Louisiana's oyster industry as portrayed through state auctions, 1987-92, pp. 9-13

Reinaldo Morales-Alamo
Estimation of oyster shell surface area using regression equations derived from aluminum foil molds, pp. 15-19

Fu-Lin Chu and J. L. LaPeyre
Development of the disease caused by the parasite, Perkinsus marinus and defense-related hemolymph factors in three populations of oysters from the Chesapeake Bay, USA, pp. 21-27

Gregory A. DeBrosse and Standish K. Allen, Jr.
Control of overset on cultured oysters using brine solutions, pp. 29-33

S. M. Almatar, K. E. Carpenter, R. Jackson, S. H. Alhazeem, A. H. Al-Saffar, A. R. Abdul Ghaffar and C. Carpenter
Observations on the pearl oyster fishery of Kuwait, pp. 35-40

Maryse Thielley, Maurice Weppe and Christian Herbsut
Ultrastructural study of gametogenesis in the French Polynesian black pearl oyster Pinctada margaritifera (Mollusca, Bivalvia). I-Spermatogenesis, pp. 41-47

Sharon E. McGladdery, Brenda C. Bradford and David J. Scarratt
Investigations into the transmission of parasites of the bay scallop, Argopecten irradians (Lamarck, 1819), during quarantine introduction to Canadian waters, pp. 49-58

R. Jaramillo, J. Winter, J. Valencia and A. Rivera
Gametogenic cycle of the Chiloe scallop (Chlamys amandi), pp. 59-64

Carol M. Morrison, Anne R. Moore, Vivian M. Marryatt and David J. Scarratt
Disseminated sarcomas of soft shell clams, Mya arenaria Linnaeus 1758, from sites in Nova Scotia and New Brunswick, pp. 65-69

Shawna E. Reed
Gonadal comparison of masculinized females and androgynous males to normal males and females in Strombus (Mesogastropoda: Strombidae), pp. 71-75

Shawna E. Reed
Size differences between sexes (including masculinized females) in Strombus pugilis Linnaeus, 1758 (Mesogatropoda: Strombidae), pp. 77-79

Y. P. Kartavtsev, K. A. Zgurovsky and Z. M. Fedina
Spatial structure of the northern pink shrimp Pandalus borealis, Kroyer, 1838, from the far-eastem seas as proved by methods of population genetics and morphometrics, pp. 81-87

Sylvia Behrens Yamada, Heidi Metcalf and Bart C. Baldwin
Predation by the pygmy rock crab, Cancer oregonensis (Daha, 1852) inside oyster trays, pp. 89-92

Paul B. Medley and David B. Rouse
Intersex Australian red claw crayfish, Cherax quadricarinatus (von Martens, 1868), pp. 93-94

Patrick M. Regan, Aaron B. Margolin and William D. Watkins
Evaluation of microbial indicators for the determination of the sanitary quality and safety of shellfish, pp. 95-100

Abstracts of technical papers presented at the 13th Annual Aquaculture Seminar, Milford, Connecticut, February 22-24, 1993, pp. 101-115

Abtracts of technical papers presented at the 85th Annual Meeting of the National Shellfisheries Association, Portland, Oregon, May 31-June 3, 1993, pp. 117-157

Index of papers published in the Proceedings of the National Shellfisheries Association, pp. 158-182