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Darix. ]V. .lA Tlie classification of lakes. Supplement in Kussell, 1895. 



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 the Fish Environment. Bull. V. S. Fish, (omm., 69-73, 1893. 



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 und Pllanzenwelt dos Siisswassers. Leipzig, 1891. 



Forel. F. A. Lo Lcman. Tome premier, 1892; Tome second, 1895. Lau- 

 sanne. 



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 1884. 



Levettr, G'. M. Observations on the depth and temperature of some of the 

 lakes of Northern Indiana. Geological Survey of Indiana, 1875. 



Rcif/liard, J. E. A biological examination of Lake St. Claire. Bull. Mich. 

 Fish Comra. 



7i(/.<.«t'/, I. f. Lakes of North America. Ginn & Co., Boston, 1895. 



Sclif/o, A. Hydrobiologische I'ntersuchungen I. Scdirifte der naturf., Ges. 



Danzic/, y. F. Bd. VII, 1143-89, 1890. 



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A Prelimi>arv Report ox the Phv-sical Features of Tlrkey Lake. By 

 I). ('. RirxiLEV. ■■ 



ACKNOWLEDGMENTS. ' 



Mo-t of the data on which this i)reliminary report is based were collected 

 during the summer of 1895 at the Indiana University Biological Station at Vawter 

 Park, Kosciusko County, Indiana, under the direction of Dr. Carl H. Eigenmann. 

 I wish to acknowledge the aid of his valuable suggestions, both in the collection 

 of the data and the preparation of the report. I wish to acknowledge also the 



•'Contributions from the Zoological Laboratory of the Indiana University, No. 15a. 



