Contents-continued 



FOGARTY, MICHAEL J., DAVID V D. BORDEN, and HOWARD J. RUSSELL. 



Movements of tagged American lobster, Homarus americanus, off Rhode Island . . . 771 

 RENSEL, JOHN E., and EARL E PRENTICE. Factors controlling growth and survi- 

 val of cultured spot prawn, Pandalus platyceros , in Puget Sound, Washington 781 



Notes 



THEILACKER, GAIL H. Rearing container size affects morphology and nutritional 

 condition of larval jack mackerel, Trachurus symmetricus 789 



CARNEY, ROBERT S., and ANDREW G. CAREY JR. Effectiveness of metering 

 wheels for measurement of area sampled by beam trawls 791 



PITCHER, KENNETH W Stomach contents and feces as indicators of harbor seal, 

 Phoca uitulina, foods in the Gulf of Alaska 797 



CHRISTENSEN, DARRYL J., and WALTER J. CLIFFORD. The 1978 spring recre- 

 ational catch of Atlantic mackerel, Scomber scombrus, off the Middle Atlantic region 799 



BEARDSLEY, GRANT L. Size and possible origin of sailfish, Istiophorus platypterus, 

 from the eastern Atlantic Ocean 805 



RICE, STANLEY D., and JACK E. BAILEY Ammonia concentrations in pink 



salmon, Oncorhynchus gorbuscha, redds of Sashin Creek, southeastern Alaska . . . 809 



HUNTER, JOHN R., and CAROL A. KIMBRELL. Egg cannibalism in the northern 

 anchovy, Engraulis mordax 811 



QUINN, THOMAS P, BRUCE S. MILLER, and R. CRAIG WINGERT Depth dis- 

 tribution and seasonal and diel movements of ratfish, Hydrolagus colliei, in Puget 

 Sound, Washington 816 



PEARSON, WALTER H., PETER C. SUGARMAN, DANA L. WOODRUFF, J. W 

 BLAYLOCK, and BORI L. OLLA. Detection of petroleum hydrocarbons by the 

 Dungeness crab, Cancer magister 821 



Notices 

 NOAA Technical Reports NMFS published during the first 6 months of 1980 827 



Vol. 78, No. 2 was published on 17 November 1980. 



The National Marine Fisheries Service (NMFS) does not approve, rec- 

 ommend or endorse 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 advertising or sales pro- 

 motion which would indicate or imply that NMFS approves, recommends 

 or endorses any proprietary product or proprietary material mentioned 

 herein, or which has as its purpose an intent to cause directly or indirectly 

 the advertised product to be used or purchased because of this NMFS 

 publication. 



