FISHERY BULLETIN: VOL. 87, NO. 2, 1989 



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PC 1 (33%) 



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PC 3 (14%) 



Figure 3.— Plots of scores for principal components 1 c& 2 and 3 & 4 derived from allele frequencies 

 in the Appendix. Major contributing loci include PCI - Mpi, Pgk-2. Sod, and Tapep-1; PC2 - Ah, Dpep-1, 

 Gpi-2, and Pgm-1,2; PC3 - Aat-3, Gr, and Tapep-1; PC4 - Mpi. 



246 



