Bn.i,. r. S. B. F.. 1<)2S. (Doc. 1053.) 



Fig. 29.— Scale of Lake lluioii lieniiii; (/,, nrttili) laken Nuveml;ei 1. 1U22. at Bay City. Mich. 

 (Saginaw Bay). University of Michigan .\Iu.seuni No. .isfiya. Length. 281 millimeters. Weight. 

 10 ounces. Mature female. .\ge VI. Sc.ile shows five completed anniili and a marginal growth 



Fig. 30.— Scale of Lake Huron herring (i. arleiii) taken October 29. 1921. at Bay City, Mich. (Saginaw 

 Bay). University of .Michigan Mu.seuni Xo. .'■)4(ifi2. Length. 29.i millimeters. Mature female. 

 Age VI. Scale shows five compleleri aruuili and a marginal growth 



