An appeal for further and more dis- 

 criminating research into fundamental 

 aspects of the scale method, a review 

 of recent developments in the use of 

 scale measurements for the calcula- 

 tion of past growth, and an outline of 

 the numerous applications of age -and- 1943. 



growth studies in conservation and 

 fish management and in taxonomic 

 investigations. 



1942. Tlie age and growth of the Lake 



Erie white bass, Lepibema chrysops 



(Rafinesque). Pap. Mich. Acad. 



Sci., Arts, and Lett., Vol. 27 



(1941), pp. 307-334. 

 Life -history study including data on 

 body- scale relationship, age composi- 

 tion (less than 5 percent over 3 years 

 old), size composition (62 percent be- 

 low legal length of 9 inches), growth 1944. 

 in length and weight, growth compensa- 

 tions, length -weight relationship, 

 condition, and age and size at maturity. 



1942 _ Relationship between the plantings 

 of fry and production of whitefish 

 in Lake Erie. Trans. Am. Fish. 

 Soc, Vol. 71(1941), pp. 118-121. 



Study of correlation between whitefish 1944. 



fry plantings in Lake Erie and the later 



commercial production of whitefish. 



No evidence was found of benefits from 



plantings . 



1942. The Great Lakes whitefish. In: 



Fading Trails, The Macmillan Co., 

 pp. 216-222. 

 Review of life history and habits of 

 whitefish, account of depletion of 

 Lake Huron whitefish by the deep trap 

 net, and general discussion of the 

 problem of depletion in the Gfeat Lakes 

 with strong appeal for support of uni- 1946. 



form regulations and central control. 



1942. The Great Lakes fisheries: a re- 

 view of the report of the International 

 Board of Inquiry for the Great Lakes 

 Fisheries. State Government, Vol. 

 15, pp. 211-212 and 219-220. 

 History of events leading to the appoint- 

 ment of the International Board of 



Inquiry for the Great Lakes fisheries, 

 a description of the Board's activities, 

 and a digest of the report of the full 

 board and of the supplemental report 

 of the U. S. members. 



U.S. -Canadian control urged to 



conserve Lake Erie fish supply. 



The Clevelander, Vol. 17, No. 10, 



pp. 9-10 and 24. 

 Account of depletion in Lake Erie as 

 illustrated by declining production of 

 various species, discussion of need 

 for adequate uniform regulations and 

 of impossibility of attaining them under 

 state control of the fisheries, and con- 

 clusion that international control is 

 only means of preventing collapse of 

 the fishing industry. 



The great smelt mystery. Mich. 



Cons., Vol. 13, No. 6, p. 8. 

 Comparison of smelt production before 

 and after the 1942-1943 mortality, 

 record of certain small post -mortality 

 spawning runs, and statement that 

 epidemic disease provided the only ac- 

 ceptable explanation of the mortality. 



Factors affecting the growth of fish . 



Trans. 9th N. Am. Wildlife Conf., 



pp. 177-183. 

 Review of literature and appraisal of 

 present status of knowledge of factors 

 of growth (both fluctuations within 

 stocks and differences between stocks) 

 in natural waters. Includes considera- 

 tion of food (natural production and food 

 competition), space factor, temperature, 

 and precipitation. Stresses need for 

 better understanding of factors of 

 growth as essential to sound management. 



Maximum size and age of whitefish. 



The Fisherman, Vol. 14, No. 8, 



pp. 17-18. 

 Presentation of records of age and size 

 (length and/or weight) for nine white- 

 fish (seven from the Great Lakes and 

 one each from Lake Nlpigon and Lake 

 Champlain) from 15 to 22 or 2 3 years 

 old. Old whitefish are smaller in 

 water not fished commercially than in 

 commercially exploited areas. 



36 



