Bull. U. S. H. K., 1028. (Doc. 1053.) 



mm 



Fig 33 —Scale of Lake Huron herring (i. arlidi) taken Odolier 12, I'JlSi, at Killarney. Ontario ((ieorgian 

 Bay). University of .Michigan No. .52377. Length, 310 millimeters. .\.ge VIIL Scale shows seven 

 completed annuli and a marginal growth 







Fig. 34.— Scale of Lake Huron herring (L. artedi) taken October 12, 1919, at Killarney. Ontario (Georgian 

 Bay). University of Michigan Museum No. 52369. Length, 302 millimeters. Male. Age IX. Scale 

 shows eight completed annuli and a marginal growth 



