No. Title 



* 90. Experimental surface gill net fishing for skipjack (Katsuwonus pelamis) 



in Hawaiian waters. By Walter M. Matsumoto. November 1952 , 

 iv + 20 pp. , 4 figs. , 5 tables. 



* 91. Reaction of tunas and other fishes to stimuli- 1951. By Albert L. 



Tester, P. B. van Weel, Sidney C. Hsiao, and Iwao Miyaki. 

 November 1952, vi + 83 pp., 21 figs., 12 tables. 



* 92. Use of electricity in the control of sea lampreys: electromechanical 



weirs and traps and electrical barriers. By Vernon C. Applegate, 

 Bernard R. Smith, and Willis L. Nielsen. December 1952, iv + 

 52 pp. , 20 figs. , 6 tables. 



* 93. Directing the movement of fish with electricity. By Alberton L. 



McLain and Willis L. Nielsen. January 1953, ii + 24 pp. , 5 figs . , 

 2 tables. 



* 94. Passage of shad at the Bonneville fishways. By G. B. Talbot. 



March 1953, ii + 30 pp. , 11 figs. , 3 tables. 



* 95. Morphometric measurements of Pacific scombrids. By 



Dorothy I. Y. Dung and William F. Royce. February 1953, 

 i + 170 pp. , 1 fig. , 99 tables. 



* 96. Destruction of undersized haddock on Georges Bank, 1947-51. By 



Ernest D. Premetz. May 1953, ii + 33 pp. , 12 figs. , 10 tables. 



* 97. Sea lamprey spawning: Wisconsin and Minnesota streams of Lake 



Superior. By Howard A. Loeb. June 1953, iii + 36 pp. , 6 figs. , 

 5 tables. 



* 98. Longline fishing for deep- swimming tunas in the central Pacific, 



1950-51. By Garth I. Murphy and Richard S. Shomura. May 

 1953, iv + 47 pp. , 15 figs. , 20 tables. 



* 99. Trial of Denil-type fish ladder on Pacific salmon. By Leonard A. 



Fulton, Harold A. Gangmark, and Scott H. Blair. May 1953, 

 ii + 16 pp. , 6 figs. , 2 tables. 



* 100. Zooplankton volumes off the Pacific Coast, 1952. By staff of 



South Pacific Fishery Investigations. May 1953, ii + 41 pp., 13 

 tables. 



* 101. Fluctuation in trap- net catches in the upper Mississippi River. 



By D. W. Kelley. May 1953, iii + 38 pp., 10 figs., 10 tables. 



* 102. Pilchard eggs and larvae and other fish larvae, Pacific Coast - 



1951. By Elbert H. Ahlstrom. May 1953, i + 55 pp. , 1 fig. , 

 11 tables. 



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