Fishery Bulletin 



CONTENTS 



Vol. 86, No. 3 July 1988 



BARLOW, JAY. Harbor porpoise, Phocoena phocoena, abundance estimation for Califor- 

 nia, Oregon, and Washington: I. Ship surveys 417 



BARLOW, JAY, CHARLES W OLIVER, TERRY D. JACKSON, and BARBARA L. 

 TAYLOR. Harbor porpoise, Phocoena phocoena, abundance estimation for California, 

 Oregon, and Washington: IL Aerial surveys 433 



SIGLER, MICHAEL P., and JEFFREY T FUJIOKA. Evaluation of variability in sable- 

 fish, Ancyplopoma fimbria, abundance indices in the Gulf of Alaska using the bootstrap 

 method 445 



BOEHLERT, GEORGE W, and TAKASHI SASAKI. Pelagic biogeography of the armor- 

 head, Pseudopentaceros wheeleri, and recruitment to isolated seamounts in the North 

 Pacific Ocean 453 



SAVOY, THOMAS F, and VICTOR A. CRECCO. The timing and significance of density- 

 dependent and density-independent mortality of American shad, Alosa sapidissima. . 467 



HOSS, DONALD E., LINDA COSTON-CLEMENTS, DAVID S. PETERS, and PATRICIA 

 A. TESTER. Metabolic responses of spot, Leiostomus xanthurus, and Atlantic croaker, 

 Micr&pogonias undidatvs, larvae to cold temperatures encountered following recruitment 

 to estuaries 483 



WATANABE, YOSHIRO, JOHN L. BUTLER, and TSUKASA MORI. Growth of Pacific 

 saury, Cololabis saira, in the northeastern Pacific Ocean 489 



DAVIES, N. M., R. W GAULDIE, S. A. CRANE, and R. K. THOMPSON. Otolith 

 ultrastructure of smooth oreo, Pseudocyttits maculatus, and black oreo, Allocyttus sp., 

 species 499 



BECKER, D. SCOTT. Relationship between sediment character and sex segregation in 

 English sole, Parophrys vetulus 517 



JAMIE SON, GLEN S., and ANTAN C. PHILLIPS. Occurrence of Cancer crab (C. 

 magister and C. oreganensis) megalopae off the west coast of Vancouver Island, British 

 Columbia 525 



STONER, ALLAN W, and ROGER J. ZIMMERMAN. Food pathways associated with 

 penaeid shrimps in a mangrove-fringed estuary 543 



WILSON, ELIZABETH A., ERIC N. POWELL, and SAMMY M. RAY. The effect of the 

 ectoparasitic pyramidellid snail, Boonea impressa, on the growth and health of oysters, 

 Crassostrea virginica, under field conditions 553 



BROUSSE AU, DIANE J., and JENNY A. BAGLIVO Life tables for two field populations 

 of soft-shell clam, Mya arenaria, (MoUusca: Pelecypoda) from Long Island Sound . . . 567 



{Contimied on next page) 



Seattle, Washington 

 1988 



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