184 BULLETIN OF THE BUREAU OF FISHERIES 
Hankinson, Thomas L. 
1908. A biological survey of Walnut Lake, Mich. A report of the biological survey of the 
State of Michigan published by the State Board of Geological Survey as a part of 
the Report for 1907 (1908), pp. 155-288, figs. 18-23, Pis. XIII-LXXV. Lansing. 
[See p. 207.] 
Mark, E. L. 
1890. Studies on Lepidosteus. Bulletin, Museum of Comparative Zoology, Harvard College, 
Vol. XIX, 1890, pp. 1-127, Pis. I-IX. Cambridge. [See p. 53.] 
Pearse, A. S. 
1918. The food of the shore fishes of certain Wisconsin lakes. Bulletin, U. S. Bureau of 
Fisheries, Vol. XXXV, 1915-16 (1918), pp. 215-292. Bureau of Fisheries Docu- 
ment No. 856. Washington. 
Reighard, Jacob. 
1915. An ecological reconnoissance of the fishes of Douglas Lake, Cheboygan County, Michi- 
gan, in midsummer. Bulletin, U. S. Bureau of Fisheries, Vol. XXXIII, 1913 (1915), 
pp. 215-249, figs. 1-4. Washington. 
1920. The breeding behavior of the suckers and minnows. Biological Bulletin, Marine 
Biological Laboratory, Vol. XXXVIII, No. 1, January, 1920, pp. 1-32, figs. 1-7. 
Woods Hole, Mass. 
Wells, Morris, M. 
1918. The reactions and resistance of fishes to carbon dioxide and carbon monoxide. Bulletin, 
Illinois State Laboratory of Natural History, Vol. XI, 1915, 1917, 1918 (1918), pp. 
557-571, 1 fig., 1 chart. Urbana. 
/ 
