Fishery Bulletin 



CONTENTS 

 Vol. 72, No. 3 July 1974 



EVANS, DALE R., and STANLEY D. RICE. Effects of oil on marine ecosystems: 



A review for administrators and policy makers 625 



JOHNSON, MARTIN W. On the dispersal of lobster larvae into the East Pacific 



Barrier (Decapoda, Palinuridea) 639 



PORTER, RUSSELL G. Reproductive cycle of the soft-shell clam, Mya arenaria, at 



Skagit Bay, Washington 648 



SEIDEL, WILBUR R., and EDWARD F. KLIMA. In situ experiments with coastal 



pelagic fishes to establish design criteria for electrical fish harvesting systems 657 

 ROSENTHAL, RICHARD J., WILLIAM D. CLARKE, and PAUL K. DAYTON. 



Ecology and natural history of a stand of giant kelp, Macrocystis pyrifera, off 



Del Mar, Cahfornia 670 



WILLIAMS, AUSTIN B. The swimming crabs of the genus Callinectes (Decapoda: 



Portunidae) 685 



JOHNSON, ALLYN G., FRED M. UTTER, and HAROLD O. HODGINS. Elec- 



trophoretic comparison of five species of pandalid shrimp from the northeastern 



Pacific Ocean 799 



HAYNES, EVAN B. Distribution and relative abundance of larvae of king crab, 



Paralithodes camtschatica, in the southeastern Bering Sea, 1969-70 804 



FAHAY, MICHAEL P. Occurrence of silver hake, Merluccius hilinearis, eggs and 



larvae along the middle Atlantic continental shelf during 1966 813 



WILLIAMS, AUSTIN B., THOMAS E. BOWMAN, and DAVID M. DAMKAER. 



Distribution, variation, and supplemental description of the opossum shrimp, 



Neomysis americana (Crustacea: Mysidacea) 835 



Notes 



BAKUN, ANDREW, DOUGLAS R. McLAIN, and FRANK V. MAYO. The mean 

 annual cycle of coastal upwelling off western North America as observed from 

 surface measurements 843 



SMITH, VEGA J., JAMES S. LIN, and HAROLD S. OLCOTT. The residual lipids 



of fish protein concentrates 845 



LENARZ, WILLIAM H. Length-weight relations for five eastern tropical Atlantic 



scombrids 848 



(Continued on next page) 

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