Deason, Hilary J. (continued) 



1933o Feeding adaptations in fishes. The Fisherman, Vol, 2, 

 No. 1 , pp. 3-U and 10-11. 



Anatomical comparison of various types of feeding mechanism 

 of fishes. 



IS'ih, The development of fishes, tracing the natural developments 



from egg to fry. The Fisherman, Vol. 3> No, 11, pp. 1 and 3. 



Description of embryological development based on eggs and 

 fry of the walleye. 



1935« Some general considerations of plankton and plankton 

 problems with reference to water supplies, Eng. Exp. 

 Sta. Bull., Mich. State Coll., Vol. 10, No. \x» pp. 5-lU. 



General discussion of such matters as factors of plankton 

 production, vertical distribution, seasonal abundance, relation 

 of plankton growth to odors and tastes in water, and effect of 

 pollution on plankton growth. 



1936. Bottles set adrift on Lake Michigan yield information on 

 surface currents, Mich. Cons., Vol. 6, No. 6, p. 9. 



Review similar to that published by same author in 1932, 



1939. The distribution of cottid fishes in Lake Michigan. 



Pap. Mich. Acad. Sci., Arts, and Lett., Vol, 2k» Ft. 2 

 (1938), pp. 10^-115. 



Distributional study in which many of the locality records, 

 particularly for deep-water species, were based on specimens re- 

 covered from stomachs of lake trout and burbot. 



Deason, Hilary J,, and Ralph Hile 



19li7. Age and growth of the kiyi, Leucichthys kiyl Koelz, in 

 Lake Michigan. Trans, Am. Fish. Soc, Vol. 7U (19llU), 

 pp. 88-1^2, 



Comparative study for different regions of the lake which re- 

 vealed no important differences in growth but a progressive increase 

 from south to north in average age. Includes data on such questions 

 as causes of discrepancies between calculated growths of different 

 age groups, length of growing season, growth compensation, length- 

 weight relationship and condition ( including seasonal fluctuations 

 and regional differences), and sex ratio. 



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