Van Oosten, John (continued) 



Huron, Critique includes an exhaustive review and evaluation 

 of the literature and an appraisal of the author's own find- 

 ings on such fundaraental questions as; validity of the an- 

 nulus as a year-mark; time and factors of annulus fomiation| 

 body-scale relationship and calculation of growth; possible 

 causes of Lee's phenomenon and other discrepancies of cal- 

 culated growth. Life-history study includes consideration of: 

 fluctuations in age composition, size, and growth of the 

 Saginaw Bay lake herring and possible contributing factors; 

 growth compensation; length-weight relationship; sex ratio; 

 differences between groiiith of lake herring in Saginaw Bay 

 and in other regions of Lalve Huron, 



I93O0 Progress of fishery biology on the Great Lakes. 

 In: Progress in biological inquiries, 1928, by 

 "SJner Higgins, Rep. U. S„ Comm. Fish, for 1929, 

 pp. 710-713. 



Historical review of major limnological, biological, 

 and fishery surveys of the Great Lakes by governmental agencies 

 and educational institutions. Includes an outline of the 

 Service research program and comments on problems of overfish- 

 ing and fishery regulations. 



1930. Investigation of method of measuring twine in Great 

 Lakes district, Micho Fisherman, Vol, lU, No. I4, 

 pp. 1 and 60 



Review of troublesome points in the controversial problem 

 of measuring mesh size, emphasizing the need for a simple uniform 

 procedure free from personal bias and stating that the Service 

 has referred the matter to the Bureau of Standards, 



1930. The disappearance of the Lake Erie Cisco— a preliminary 

 report. Trans. Am. Fish. Soc„, Vol, 60, pp. 2014-211;. 



Review of production statistics on the cisco fishery and 

 explanation of the collapse of the fishery in 1925 as the re- 

 sult of overfishing with bull nets (deep gill nets) m. the fall 

 of 1923 and 192li when abnormal weather conditions (heavy storms) 

 had concentrated the stocks within a small area of deep water 

 in eastern Lake Erie. 



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