Fishery Bulletin 



CONTENTS 



Vol. 79, No. 4 October 1981 



McHUGH, J. L. Marine fisheries of Delaware 575 



DURBIN, EDWARD G., and ANN G. DURBIN. Assimilation efficiency and nitrogen 

 excretion of a filter-feeding planktivore, the Atlantic menhaden, Brevoortia tyran- 

 nus ( Pisces: Clupeidae) 601 



GRUBER, S. H., and L. J. V. COMPAGNO. Taxonomic status and biology of the 

 bigeye thresher, Alopias superciliosus 617 



PEARSON, WALTER H., PETER C. SUGARMAN, DANA L. WOODRUFF, and BORI 

 L. OLLA. Impairment of the chemosensory antennular flicking response in the 

 Dungeness crab. Cancer magister, by petroleum hydrocarbons 641 



SHLOSSMAN, PHILIP A., and MARK E. CHITTENDEN, JR. Reproduction, 

 movements, and population dynamics of the sand seatrout, Cynoscion arenarius . 649 



IRVINE, A. BLAIR, MICHAEL D. SCOTT, RANDALL S. WELLS, and JOHN H. 

 KAUFMAN. Movements and activities of the Atlantic bottlenose dolphin, Tur- 

 siops truncatus, near Sarasota, Florida 671 



STEVENSON, DAVID K., and FRANCISCO CARRANZA. Maximum yield esti- 

 mates for the Pacific thread herring, Opisthonema spp., fishery in Costa Rica .... 689 



KENDALL, ARTHUR W, JR., and N. A. NAPLIN. Diel-depth distribution of sum- 

 mer ichthyoplankton in the Middle Atlantic Bight 705 



WEBB, P. W. Responses of northern anchovy, Engraulis mordax, larvae to predation 

 by a biting planktivore, Amphiprion percula 727 



FLINT R. WARREN, and NANCY N. RABALAIS. Gulf of Mexico shrimp produc- 

 tion: A food web hypothesis 737 



GABRIEL, WENDY L., and WILLIAM G. PEARCY. Feeding selectivity of dover 

 sole, Microstomas pacificus, off Oregon 749 



TOLL, RONALD B., and STEVEN C. HESS. Cephalopods in the diet of the sword- 

 fish, Xiphias gladius, from the Florida Straits 765 



HACUNDA, JOHN S. Trophic relationships among demersal fishes in a coastal area 

 of the Gulf of Maine 775 



Notes 



BOEHLERT, GEORGE W The effects of photoperiod and temperature on laboratory 

 growth of juvenile Sebastes diploproa and a comparison with growth in the field . 789 



(Continued on next page) 



Seattle, Washington 

 1982 



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