Fishery Bulletin 



CONTENTS 

 Vol. 81, No. 2 April 1983 



DURBIN, EDWARD G., and ANN G. DURBIN. Energy and nitrogen budgets for the 

 Atlantic menhaden, Brevoortia tyrannus (Pisces: Clupeidae), a filter-feeding 

 planktivore 177 



GILMORE, R. GRANT, JON W. DODRILL, and PATRICIA A. LINLEY. Re- 

 production and embryonic development of the sand tiger shark, Odontaspis taurus 

 (Rafinesque) 201 



CRESSEY, ROGER F., BRUCE B. COLLETTE, and JOSEPH L. RUSSO. Copepods 

 and scombrid fishes: A study in host-parasite relationships 227 



REILLY, STEPHEN B., DALE W. RICE, and ALLEN A. WOLMAN. Population 

 assessment of the gray whale, Eschrichtus robustus, from California shore censuses, 

 1967-80 267 



ROBISON, BRUCE H., and JAMES E. CRADDOCK. Mesopelagic fishes eaten by 

 Fraser's dolphin, Lagenodelphis hosei 283 



BROWN, ROBIN R., and BRUCE R. MATE. Abundance, movements, and feeding 

 habits of harbor seals, Phoca vitulina, at Netarts and Tillamook Bays, Oregon 291 



BEACHAM, TERRY D. Variability in median size and age at sexual maturity of 

 Atlantic cod, Gadus morhuo, on the Scotian Shelf in the northwest Atlantic 

 Ocean 303 



JOHNSON, James R., and JOSEPH G. LOESCH. Morphology and development of 

 hatchery-cultured American shad, A/osa sapidissima (Wilson) 323 



HOWELL, W. HUNTTING. Seasonal changes in the ovaries of adult yellowtail flounder, 

 Limanda ferruginea 341 



CAMPBELL, A., and M. D. EAGLES. Size at maturity and fecundity of rock crabs, Can- 

 cer irroratus, from the Bay of Fundy and southwestern Nova Scotia 357 



QUINN, WILLIAM H., and VICTOR T. NEAL. Long-term variations in the Southern 

 Oscillation, El Nino, and Chilean subtropical rainfall 363 



VENRICK, E. L. Percent similarity: The prediction of bias 375 



Notes 



GADBOIS, DONALD F., and RICHARD S. MANEY. Survey of polychlorinated 

 biphenyls in selected finfish species from United States coastal waters 389 



(Continued on next page) 



Seattle, Washington 



1983 



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