Fishery Bulletin 



CONTENTS 



Vol. 76, No. 1 January 1978 



COUCH, JOHN A. Diseases, parasites, and toxic responses of commercial penaeid 



shrimps of the Gulf of Mexico and south Atlantic coasts of North America 1 "** 



HENRY, KENNETH A. Estimating natural and fishing mortalities of chinook salm- 

 on, Oncorhynchus tshawytscha, in the ocean, based on recoveries of marked fish 45 



BIGFORD, THOMAS E. Effect of several diets on survival, development time, and 

 growth of laboratory-reared spider crab, Libinia emarginata, larvae 59 -^ 



FABLE, WILLIAM A., JR., THEODORE D. WILLIAMS, and C. R. ARNOLD. De- 

 scription of reared eggs and young larvae of the spotted seatrout Cynoscion 

 nebulosus 65 



BULLARD, FERN A., and JEFF COLLINS. Physical and chemical changes of pink 

 shrimp, Pandalus borealis, held in carbon dioxide modified refrigerated seawater 

 compared with pink shrimp held on ice 73 



MARKLE, DOUGLAS F. Taxonomy and distribution of Rouleina attrita and 

 Rouleina maderensis (Pisces: Alepocephalidae) 79 



GRABE, STEPHEN A. Food and feeding habits of juvenile Atlantic tomcod, Mi- 

 crogadus tomcod, from Haverstraw Bay, Hudson River 89 



BERRIEN, PETER L. Eggs and larvae of Scomber scombrus and Scomber japonicus 

 in continental shelf waters between Massachusetts and Florida 95 



COLIN, PATRICK L. Daily and summer-winter variation in mass spawning of 

 striped parrotfish, Scarus croicensis 117 



CALKINS, DONALD G. Feeding behavior and major prey species of the sea otter, 

 Enhydra lutris, in Montague Strait, Prince William Sound, Alaska 125 "tr 



HOBSON, EDMUND S., and JAMES R. CHESS. Trophic relationships among fishes 



and plankton in the lagoon at Enewetak Atoll, Marshall Islands 133 M' 



BROUSSEAU, DIANE J. Spawning cycle, fecundity, and recruitment in a popula- 

 tion of soft-shell clam. My a arenaria, from Cape Ann, Massachusetts 155 



SMITH, W. G., J. D. SIBUNKA, and A. WELLS. Diel movements of larval yellowtail 

 flounder, Limanda ferruginea, determined from discrete depth sampling 167 



WAHLE, ROY J., and ROBERT R. VREELAND. Bioeconomic contribution of Co- 

 lumbia River hatchery fall chinook salmon, 1961 through 1964 broods, to the Pacific 

 salmon fisheries 179 



KINNER, PETER, and DON MAURER. Polychaetous annelids of the Delaware Bay 

 region 209 



ROSS, STEPHEN T. Trophic ontogeny of the leopard searobin, Prionotus scitulus 

 (Pisces: Triglidae) 225 



(Continued on next page) 



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