Johnson et a I.: Fecundity and egg weight in Pleuronectes vetulus 
249 
Walker, W. W., C. S. Heard, K. Lotz, T. F. Lytle, W. E. Hawkins, 
C. S. Barnes, D. H. Barnes, and R. M. Overstreet. 
1990 . Tumorigenic, growth, reproductive, and developmen- 
tal effects in medaka exposed to bis(tri-n-butyltin) 
oxide. In Oceans ’89: the global ocean. Volume 2: Ocean 
pollution, p. 516-524. Inst. Electrical and Electronics 
Engineers (IEEE), New York, NY. 
Waples, R. S. 
1987 . A multispecies approach to the analysis of gene flow 
in marine shore fishes. Evolution 41:385-400. 
Winters, G. H., J. P. Wheeler, and D. Stanbury. 
1993 . Variability in the reroductive output of spring-spawn- 
ing herring in the north-west Atlantic. ICES J. Mar. Sci. 
50:15-25. 
Zamaro, J. 
1992. Determination of fecundity in Amerian plaice 
( Hippoglossoides plastessoides ) and its variation from 1987 
to 1989 on the tail of the Grand Bank. Neth. J. Sea Res. 
29:205-209. 
Zastrow, C. E., E. D. Houde, and E. S. Saunders. 
1989. Quality of striped bass (Morone saxtilis) eggs in rela- 
tion to river source and female weight. Rapp. R-V. Reun. 
Ciem. 191:34-42. 
