( (intents — continued 



BOLZ, GEORGE R., and R. GREGORY LOUGH. Growth of larval Atlantic cod, Gadus 



morhua, and haddock, Melanogrammus aeglefinus, on Georges Bank, spring 1981. . . 827 

 STONER, ALLAN W. Distribution of fishes in seagrass meadows: Role of macrophyte 



biomass and species composition 837 



WATSON, WILLIAM. Redescription of larvae of the pigfish, Orthopristis chrysop- 



tera Linnaeus (Pisces, Haemulidae) 847 



SHERMAN, K., J. R. GREEN, J. R. GOULET, and L. EJSYMONT. Coherence in 



zooplankton of a large northwest Atlantic ecosystem 855 



WILLIAMS, AUSTIN B. The mud crab, Panopeus herbstii, 8.1. Partition into six species 



(Decapoda: Xanthidae) 863 



Notes 



SULLIVAN, BOLLING, KATIE MILLER, KATHLEEN SINGLETON, ANTHONY G. 

 SCHEER, and AUSTIN B. WILLIAMS. Electrophoretic analyses of hemocyanins 

 from four species of mud crabs, genus Panopeus , with observations on the ecology of P. 

 obesus 883 



REAMES, ROBERT C, and AUSTIN B. WILLIAMS. Mud crabs of the Panopeus 



herbstii H. M. Edw., s.l., complex in Alabama, U.S.A 885 



HAYNES, EVAN B., and STEVE E. IGNELL. Effect of temperature on rate of em- 

 bryonic development of walleye pollock, Theragra chalcogramma 890 



GOVONI, JOHN J. Helminth parasitism of three larval fishes in the northern Gulf of 



Mexico 895 



HOENIG, JOHN M. Empirical use of longevity data to estimate mortality rates 



898 



VAN HEUKELEM, W., M. C. CHRISTMAN, C. E. EPIFANIO, and S. D. SULKTN. 



Growth of Geryon quinquedens (Brachyura: Geryonidae) juveniles in the laboratory .... 903 



OXENFORD, HAZEL A., and WAYNE HUNT. Age and growth of dolphin, Coryphaena 



hippurus, as determined by growth rings in otoliths 906 



KRAUS, SCOTT D., JAMES R. GILBERT, and JOHN H. PRESCOTT. A comparison 

 of aerial, shipboard, and land-based survey methodology for the harbor porpoise, 

 Phocoena phocoena 910 



ITZKOWITZ, NORMAN, and J. R. SCHUBEL. Tolerance of five-day-old winter flounder, 



Pseudopleuronectus americanus, larvae to thermal shock 913 



MATHEWS, STEPHEN B., and MORRIS W. BARKER. Movements of rockfish (Sebas- 



tes) tagged in northern Puget Sound, Washington 916 



Index 923 



Notices 



NOAA Technical Reports NMFS published during the first six months of 1983 



The National Marine Fisheries Service (NMFS) does not approve, recommend or en- 

 dorse any proprietary product or proprietary material mentioned in this publication. No 

 reference shall be made to NMFS, or to this publication furnished by NMFS, in any ad- 

 vertising or sales promotion which would indicate or imply that NMFS approves, recom- 

 mends or endorses any proprietary product or proprietary material mentioned herein, 

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 duct to be used or purchased because of this NMFS publication. 



