show type of results from studies of 

 relation of mesh size to release of 

 undersized fish and catch of legal - 

 sized fish of several species. 

 Recommendations are given on legal 

 specifications for trap-net meshes. 



1932. Experiments on the mesh of trap- 

 nets on Lake Erie. The Fisherman, 

 Vol. 1, No. 12, pp. 3-4 and 8. 



Summary of article published under 



similar title in same year in Trans- 1934. 



actions of the American Fisheries 



Society. 



1932. Review of Great Lakes work con- 

 ducted by the U.S. Bureau of 

 Fisheries. The Fisherman, Vol.2, 

 No. 1, pp. 3-4 and 8. 

 Review of 1927-1932 activities with 

 emphasis on the practical nature of 

 the program and with particular refer- 

 ence to fishery and limnological 

 studies on Lake Erie, experimental 1934. 



chub -net fishing on Lake Michigan, 

 and research on the deep trap net in 

 Lakes Huron and Michigan. 



1932. The maximum age of fresh -water 

 fishes. TTie Fisherman, Vol. 1, 

 No. 11, pp. 3-4. 



List of maximum ages, from artificial 

 rearing or examination of scales or 

 otlier bony structures, for 44 species, 

 drawn from the literature or based on 

 studies by Great Lakes staff. 



1933. Recent developments in commercial 1935. 

 fishing industry . (Report of the 



Division of Commercial Fishing of 



the American Fisheries Society) 



Trans. Am. Fish. Soc, Vol. 63, 



pp. 31-35. 

 Review of developments, with special 

 reference to the Great Lakes, in such 

 matters as regulations and technical 1935. 



advances in gear, boats, processing, 

 transportation, marketing, and the 

 collection and analysis of statistics. 



1933. Preliminary report on Investigation 

 of chubnet meshes in Lake Michigan. 

 The Fisherman, Vol. 2, No. 4, pp. 3-4 

 and 8. 



Condensed summary of numbers and 

 pounds of lake trout and chubs per 

 lift of chub gill nets of different mesh 

 size in different regions of lake . 

 Abundance of chubs and small trout 

 on Michigan side of lake, 2 . 7 tim es 

 that in Wisconsin, was attributed to 

 use of larger meshes in Michigan nets. 

 Uniform adoption of 2 -3/4 -inch mesh 

 was recommended. 



On the deep trap net in the State of 

 Michigan. Mich. Tradesman, Vol. 

 52, No. 2674, p. 25. (A letter) . 

 Review of the development of the deep- 

 trap-net fishery showing from statistic- 

 al records the dangerous increase of 

 production of whitefish resulting from 

 the use of the gear and the disastrous 

 depletion of grounds fished intensively 

 by deep trap nets. Advocates specific 

 restrictive regulations. 



The value of questionnaires in com- 

 mercial fisheries regulations and 

 surveys. Trans. Am. Fish. Soc, 

 Vol. 64, pp. 107-117. 

 Recommendations of the questionnaire 

 as a cheap and efficient means of ob- 

 taining biological and statistical data 

 on fish and fisheries and of learning 

 the views of the industry on questions 

 of management and regulation. In- 

 cludes examples to demonstrate the 

 reliability and usefulness of data from 

 questionnaires. 



Questionnaires prove valuable to 

 fisheries. The Fisherman, Vol. 4, 

 No. 6, pp. 1-2; Vol. 4, No. 7, 

 pp. 1-2. 

 Summary of article with similar title 

 published in 1934 in the Transactions 

 of the American Fisheries Society. 



Logically justified deductions con- 

 cerning the Great Lakes fisheries 

 exploded by scientific research. 

 Trans. Am. Fish. Soc, Vol. 65, 

 pp. 71-75. 

 Presentation of data to prove that logic- 

 ally based assumptions and popularly 

 held beliefs are incorrect with respect 

 to the relationship between mesh size 



32 



