MICHIGAN (Cont. ) 



Scripps Institute of Oceanography and Cranbrook Institute of Science cooper- 

 ating; hdqrs. Ann Arbor; began January 1950, to close January 1956; $1, 000; 

 Karl F. Lagler and Carl L. Hubbs, Leaders; reports available, current edition 

 Bulletin 26, Cranbrook Institute of Science. 



Address inquiries to: Karl F. Lagler, as in No. 1 above. 



3. Pike- Waterfowl Relationship on Seney National Wildlife Refuge. 



Objectives of the project are to study the relationship of pike to waterfowl 

 production; the ecology and populations of pike and incidence of ducklings in 

 pike food; and management of pike on a waterfowl refuge. 



U. S. Fish and Wildlife Service cooperating; Seney National Wildlife Refuge, 

 Germfask; began July 1940, to close September 1954; $1, 300; Karl F. Lagler, 

 Leader. 



Address inquiries to: Karl F. Lagler, as in No. 1 above. 



4. Arctic Plankton Survey. 



The project objective is to analyze the plankton collections from sub-arctic 

 lakes, ponds, and rivers. 



Canadian Wildlife Service cooperating; began October 1952, to close Decem- 

 ber 1954; John E. Bardach, Leader; reports available. 



Address inquiries to: John E. Bardach, Department of Fisheries, School of 

 Natural Resources, University of Michigan, Ann Arbor, Mich. 



5. Temperature Receptors of Fishes. 



The project objectives are to ascertain distribution of temperature receptors 

 on various fresh-water fishes and to inquire into the mechanism of temperature 

 reception with the help of tank and aquarium experiments using physological 

 experimentation and electronic recording devices. 



Hdqrs. Ann Arbor; began December 1953, indefinite; John E. Bardach, Leader. 



Address inquiries to: John E. Bardach, as in No. 4 above. 



6. Industrial Pollution of Saline River in Relation to Statutory Permissible Levels. 



The objectives of the project are to determine the effects of plating plant 

 effluents on stream biota and test the adequacy of legal quantities of pollution on 

 stream recovery. 



Sport Fishing Institute cooperating; Saline River, Washtenaw County; began 

 June 1952, to close June 1955; Quentin Pickering, Leader. 



Address inquiries to: Quentin Pickering, Department of Fish, Natural Science 

 Building, University of Michigan, Ann Arbor, Mich. 



Sharpies Chemicals, Inc. 



1. Toxic Evaluation of Various Organic Chemicals Toward Game Fish. 



The project objective is to determine the toxic levels of various organic 

 chemicals toward game fish and to determine what dilutions are necessary with 

 our plant wastes. 



Hdqrs. Wyandotte; continuing; Leslie Gillette, Leader; reports available. 



Address inquiries to: Leslie Gillette, Sharpies Chemicals, Inc. , Wyandotte, 

 Mich. 



Fish and Wildlife Service, Branch of Fishery Biology 



1. Further Development of an Electro-Mechanical Sea Lamprey Weir and Trap. 



The objective of this project is to develop further and to refine operation of 

 a simple sea lamprey trapping device utilizing ordinary alternating current line 



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