FISHERY BULLETIN: VOL. 70, NO. 3 



and counsel. Dr. Richard R. Whitney originally 

 suggested this study to us, and Dr. John R. 

 Hunter gave valuable advice during the study. 

 Roger E. Green assisted in constructing the ori- 

 ginal ADP format for data analysis. Dr. Rich- 

 ard Whitney, Dr. John R. Hunter, and Craig J. 

 Orange reviewed the manuscript. 



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