Wlgley, Roland L. 



19^2, A method of marking lajrval lampreys, Copsia^ 19$2 (in press) 



Report on successful marking of larval lampreys as small 

 as 30 millimeters long by subcutaneous injection of cadium sulfide, 

 mercuric sulfide, and carbon, Marks had not faded after 1 to 

 1 1/2 years. 



Wright, Stillman 



1929o A preliminary report on growth of the rock bass, Ambloplites 

 rupestris (Rafinesque) , in two lakes of northern Wisconsin. 

 Trans, Wis. Acad. Sci., Arts, and Lett., Vol. 2li, pp. 581-^95. 



Brief report on length at capture and calculated growth in 

 length of rock bass of best represented age groups in Muskellixnge 

 and Trout Lakes. Possibility of distinct populations with differ- 

 ing growth rates in the latter lake mentioned. 



1932, Pollution in western Lake Erie, The Fisherman, Vol. 1, 

 No. 6, pp. 3-ii and 10. 



Review of researches emphasizing the fact that harmful 

 effect of pollution near mouths of certain rivers was counter- 

 balanced, at least in part, by benefits from nitrogen and other 

 fertilizing elements in pollutants. It was stated that pollution 

 could not explain the lowered productivity of the fisheries. 



1932, Plankton and the fisheries. The Fisherman, Vol. 1, No. 7, 

 pp. 3-U and 11, 



Description of the principal organisms in plankton and 

 the methods of plankton study and explanation of the signifi- 

 cance of plankton in the production of fish, 



1932. Conditions of life in lakes. The Fisherman, Vol. 1, No, 8, 

 pp. 3-k and 12. 



Discussion of the lake as a habitat and of adaptations of 

 fish to life in an aquatic environment, 



Wright, Stillman, and Wilbur M, Tidd 



1933. Summary of limnological investigations in western Lake 

 Erie in 1929 and 1930. Trans. Am. Fish. Soc, Vol. 63, 

 pp. 271-28^. 



Report on 1929-1930 study of pollution situation in 

 western Lake Erie as indicated by chemical analyses, phytoplankton. 



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