ISui.i,. U. S. B. F., 1928. (Doc. 1053.) 



Fig. 23.- Scale of Lake Huron herring (L. arledi) taken October 29, 1921. at Ba.v City, Mich. (Saginaw 

 Hay). University of Michigan Museum Xo. 54847. Length, 237 millimeters. Mature ninlo. 

 Age IV'. Scale shows three completed annuli and a marginal growth 





r^l 



Fig. 24.— Scale offtake Huron herring {L.axUi\t_ taken (i( tuber 29. 1921. at Bay City, Mich. (Saginaw- 

 Bay). University of Michigan .Museum i\o. 54692. Length, 293 millimeters. Mature male. 

 Age IV. Scale shows three completed annuli and a large marginal growth 



