Applegate, Vernon C . , and James W. Moffett 

 1955. The sea lamprey. Sci. Am., 

 Vol. 192, No. 4, pp. 36-41. 

 A concise review of the sea lamprey 

 problem and of research and control 

 operations directed toward its solu- 

 tion. Includes illustrations and 

 diagrams on: spread of the sea lam- 

 prey; life cycle; effects on the lake 

 trout fishery; electrical control 

 devices. 



1955. Sea lamprey and lake trout, pp. 

 9-16 in: First Book of Animals 

 (Scientific American), Simon and 

 Schuster, 240 pp. 

 Review of: sea lamprey's invasion 

 and spread through the upper Great 

 Lakes; life history of the sea lam- 

 prey; its impact on fish populations 

 with special reference to lake trout; 

 research aimed at the development 

 of control methods . 



Applegate, Vernon C, and Bernard R. Smith 



1950. Sea lamprey spawning runs in the 

 Great Lakes, 1950. Fish and 

 Wildlife Serv., Spec. Sci. Rep.: 

 Fish. No. 61, 49 pp. 



Records of numbers, sex ratio, sizes, 

 ... of adult and recently transformed 

 sea lampreys captured in experiment- 

 al weirs and traps operated in vari- 

 ous streams tributary to Lakes 

 Michigan, Huron, and Superior. 



1951. Movement and dispersion of a 

 blocked spawning run of sea lam- 

 preys in the Great Lakes. Trans. 

 16th N. Am. Wildlife Conf., pp. 

 243-251. 



Analysis of data on 289 recoveries 

 from 2,843 sea lampreys tagged after 

 capture below a dam in the Cheboy- 

 gan River (tributary to Straits of 

 Mackinaw). Lampreys lack "homing" 

 instinct. 



Applegate, Vernon C . , Bernard R . Smith, 

 Alberton L. McLain, and Matt 

 Patterson 



1952. Sea lamprey spawning runs in the 

 Great Lakes, 1951. Fish and 



Wildlife Serv., Spec. Sci. Rep.: 



Fish. No. 68, 37 pp. 

 Record for 1951 similar to that for 

 1950 (Applegate and Smith 1951). 

 Includes data on annual trends in 

 numbers, sizes, and sex ratio runs. 



Applegate, Vernon C . , Bernard R . Smith, and 

 Willis L. Nielsen 

 1952. Use of electricity in the control of 

 sea lampreys: electromechanical 

 weirs and traps and electrical 

 barriers. Fish and Wildlife Serv., 

 Spec. Sci. Rep.: Fish. No. 92, 

 52 pp. 

 Account of 1951-1952 experiments 

 with electrical barriers for blocking 

 sea lamprey spawning runs. Describes 

 installation and operation of four de- 

 vices and their effects on sea lampreys 

 and fish. Summarizes the problem of 

 adapting construction and operation 

 according to local stream conditions. 



Cable, Louella E. 



1950. A choek tag for marking fish, with 

 semi-automatic pliers for applica- 

 tion of tag. Jour, du Cons., Vol. 

 16, pp. 185-191. 

 Description of tag, composed of steel 

 rivet and plastic disc, and of pliers 

 designed for its application. 



1956. Validity of age determinations 



from scales, and growth of marked 

 Lake Michigan lake trout . Fish 

 Bull., Fish and Wildlife Serv., 

 Vol. 57, pp. 1-59. 

 The structure and growth of lake 

 trout scales are described and illus- 

 trated by a series of photographs. 

 The general validity of the annulus 

 as a year -mark is established by 

 scales of fish of known ages recovered 

 from plantings of fin -clipped finger - 

 lings made in Lake Michigan in 1944, 

 1945, and 1946. Included also are 

 data and discussion on: growth of 

 marked fish; factors of discrepancies 

 of calculated growth; time of annulus 

 formation; progress of season's 

 growth; length -weight relation. 



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