499 were recovered over a 3-year 

 period. Early movement was primarily 

 northward. Later they reached extreme 

 western Lake Erie and moved into the 

 Detroit River, Lake St. Clair, the St. 

 Clair River, and into Lake Huron as far 

 as Saginaw Bay. Movennent eastward 

 into central and eastern Lake Erie was 

 negligible. Maximum distance traveled 

 was 236 miles; the mean was 25 miles. 



WOOD, LEONARD E. 



1964. Bottom sediments of Saginaw Bay, 

 Michigan. J. Sediment. Petrol. 34(1): 

 173-184. 



Sixty-one bottom samples were col- 

 lected on a semigrid pattern and ana- 

 lyzed physically. Sediment size ranged 

 from large pebbles to clay. Medium- 

 to fine-grained clear quartz sand is 

 common in all parts of the Bay. Cur- 

 rents account for median diameter and 

 sorting. Depth and nnedian diameter 

 were weakly correlated. Locally abun- 

 dant heavy minerals were most frequent 

 in shallow areas subject to current 

 action; shape also affected concentra- 

 tions of heavy minerals. Roundness, 

 sphericity, and acid-soluble content led 

 only to general conclusions. Orgainic 

 content was greatest in quiet water. 



WRIGHT, STILLMAN. 



1929. A preliminary report on the growth of 

 the rock bass, Ambloplites rupestris 

 (Rafinesque), in two lakes of northern 

 Wisconsin. Trans. Wis. Acad. Sci. Arts 

 Lett. 24:581-595. 



Brief report on length at capture and 

 calculated growth in length of rock bass 

 of best represented age groups in Mus- 

 kellunge and Trout Lakes. Possibility of 

 distinct populations with differing growth 

 rates in the latter Lake is mentioned. 



WRIGHT, STILLMAN. 



1932a. Conditions of life in lakes. The 

 Fisherman (Grand Haven, Mich.) 1(8): 

 3-4, 12. 



Discussion of the lake as a habitat 

 and of adaptations of fish to life in 

 an aquatic environment. 



WRIGHT, STILLMAN. 



1932b. Plankton and the fisheries. The 

 Fisherman (Grand Haven, Mich.) 1(7): 

 3-4, 11. 



Description of the principal orga- 

 nisms in plankton and the methods of 

 plsmkton study and explanation of the 

 significance of plankton in the pro- 

 duction of fish. 



WRIGHT, STILLMAN. 



1932c. Pollution in western Lake Erie. 

 The Fisherman (Grand Haven, Mich.) 

 l(6):3-4, 10. 



Review of researches emphasizing 

 the fact that harmful effects of pol- 

 lution near mouths of certain rivers 

 were counterbalanced, 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. 



WRIGHT, STILLMAN. 



1955. Limnological survey of western Lake 

 Erie. Fish Wildl. Serv., Spec. Sci. Rep. 

 Fish. 139, vi + 341 p. 



Based principally on observations 

 made in April to October 1929 and 1930, 

 the report covers a limnological survey 

 conducted with special reference to pol- 

 lution. Extensive data are given on 

 physical limnology, water chemistry, 

 bottom fauna, phytoplankton, and zoo- 

 plankton. Pollution was heavy in limited 

 areas near the mouths of some rivers 

 and was moderate in larger areas, 

 but much of western Lake Erie was free 

 of pollution. Because harmful effects of 

 pollution were counterbalanced by bene- 

 ficial effects of increased fertility, 

 it was concluded that pollution was not 

 a controlling factor in the welfare of 

 the fisheries. 



WRIGHT, STILLMAN, and WILBUR M. TIDD. 

 1933. Summary of limnological investiga- 

 tions in western Lake Erie in 1929 and 

 1930. Trans. Amer. Fish. Soc. 63: 

 271-285. 



Report on 1929-30 study of pollution 

 situation in western Lake Erie as indi- 

 cated by chemical analyses, phyto- 

 plankton, zooplankton, amd bottom fauna. 

 It was held that the harm from the 

 heavy pollution of certain limited areas 

 was in some measure counterbalanced 

 by fertilizing effects of pollutants and 

 that pollution probably was not the con- 

 trolling factor in the production of fish 

 in western Lake Erie. 



PUBLICATIONS BY SCIENTISTS 



ASSOCIATED WITH GREAT LAKES 



FISHERY INVESTIGATIONS 



The following list includes the principal 

 publications of scientists not on the staff of 

 the Bureau's Biological Laboratory in Ann 

 Arbor, but whose research was based pri- 

 marily on nnaterials supplied by the Bureau 

 or was a part of a cooperative project to 



46 



