nui.T.. U. S. B. F., 1928. (Doc. 1053.) 



Fu;. 31.— Scale of Lake Huron herring (L. nrledi) taken October 27, 1921, at Bay City, Micli. 

 (Saginaw Bay). University of Michigan Museum No. 54478. Length, 272 millinieters. 

 Mature male. .\ge VII. Scale shows six completed annuli anil a marginal growth 



Kic. 32.— Scale of Lake Huron herring (£. nrledi) taken Odolier 27, Hi21, at Bay City, Mich. 

 (Saginaw Bay). University of Michigan .Museum No. .^470. Length, 2ii:i milhmeters. 

 Male. .\ge VIII. Scale shows seven completeil annuli and a marginal growth 



