Fishery Bulletin 



CONTENTS 



Vol. 87, No. 2 April 1989 



UTTER, F., G. MILNER, G. STAHL, and D. TEEL. Genetic population structure of 

 Chinook salmon, Oncorhynchus tshaurytscha, in the Pacific Northwest 239 



JACKSON, GEORGE DAVID. The use of statolith microstructures to analyze life- 

 history events in the small tropical cephalopod Idiosepius pycmaeus 265 



BAILEY, KEVIN. Description and surface distribution of juvenile Peruvian jack 

 mackerel, Trachurus murphyi, Nichols from the Subtropical Convergence Zone of 

 the central South Pacific 273 



TUCKER, JOHN., JR. Energy utilization in bay anchovy, Anchoa mitchilli, and black 

 sea bass, Centropristis striata striata, eggs and larvae 279 



SHERIDAN, PETER R, REFUGIO G. CASTRO M., FRANK J. PATELLA, JR., and 

 GILBERT ZAMORA, JR. Factors influencing recapture patterns of tagged penaeid 

 shrimp in the western Gulf of Mexico 295 



TEGNER, MIA J., PAUL A. BREEN, and CLERIDY E. LENNERT Population biology 

 of red abalones, Haliotis rufescens, in southern California and management of the 

 red and pink, H. corrugata, abalone fisheries 313 



SQUIRES, DALE, SAMUEL F HERRICK, JR., and JAMES HASTIE. Integration 

 of Japanese and United States sablefish markets 341 



MULLEN, ASHLEY J. Aggregation of fish through variable diffusivity 353 



NOTES 



SZELISTOWSKI, WILLIAM A. and JUAN GARITA. Mass mortality of sciaenid fishes 

 in the Gulf of Nicoya, Costa Rica 363 



BARSHAW, DIANA E. Growth and survival of early juvenile American lobsters, 

 Homarus americanus, on a diet of plankton 366 



VIDAL, OMAR, and GARY PECHTER. Behavioral observations on fin whale, 

 Balaenoptera physalus, in the presence of killer whale, Orcinus orca 370 



Notice 374 



Seattle, Washington 

 1989 



Marine Biological Laboratory 

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OCT 1 8 1989 



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