Thin lines indicate 

 winter migration. 

 Thick lines indicate probable 

 summer migration. 



Chart I 



EXPERIMENT 22 1905. 



% Large circles indicate positions where the 

 " '' "shes were liberated. 



'i/F? [ Clrcles in dicate the approximate positions 

 "'•|where the fishes were recaptured. 

 Numbers within the small circles indicate 

 months between liberation and recapture. 



L906© 25 miles N. from Smalls light 



