U.S. Department 

 of Commerce 



Seattle. Washington 



Volume 89 

 Number 1 

 January 1991 



Fishery 

 Bulletin 



Contents 



1 Beckman, Daniel W., A. Louise Stanley, 



Jeffrey H. Render, and Charles A. Wilson 



Age and growth-rate estimation of sheepshead Archosargus 

 probatocephalus in Louisiana waters using otoliths 



9 DeA/lartini, Edward E. 



Annual variations in fecundity, egg size, and the gonadal and 

 somatic conditions of queenfish Seriphus politus (Sciaenidae) 



19 Ferreira, Beatrice Padovani, and 

 Carolus Maria Vooren 



Age, growth, and structure of vertebra in the school shark 

 Galeorhinus galeus (Linnaeus, 1 758) from southern Brazil 



x 33 Grant, George C. 



Chaetognatha from the central and southern Middle Atlantic Bight: 

 Species composition, temperature-salinity relationships, and 

 interspecific associations 



41 Hannah, Robert W., and Stephen A. Jones 



Fishery-induced changes in the population structure of pink shrimp 

 Pandalus jordani 



53 Kimura, Daniel K., and Julaine J. Lyons 



Between-reader bias and variability in the age-determination process 



61 Lavalli, Kari L. 



Survival and growth of early-juvenile American lobsters Homarus 

 americanus through their first season while fed diets of mesoplankton, 

 microplankton, and frozen brine shrimp 



69 Ledgerwood, Richard D., Frank P. Thrower, 

 and Earl M. Dawley 



Diel sampling of migratory juvenile salmomds in the Columbia 

 River Estuary 



