SUCCESS OF PINK SALMON 

 SPAWNING RELATIVE TO SIZE 

 OF SPAWNING BED MATERIALS 



by William J. McNeil and W. H. Ahnell 



■Marine Biological Laboratorir 



LIBRARY 



MAYi m^ 



WOODS HOLE, MASS. 



SPECIAL SCIENTIFIC REPORT-FISHERIES Na 469 



UNITED STATES DEPART^m^TJOF_J>^E_^^^^ 



FISH AND WILDLIFE SERVICE 



