No. Title 



* 236. Downstream movement of salmonids at Bonneville Dam. By 



Joseph E. Gauley, Raymond E. Anas, and Lewis C. Schlotterbeck. 

 January 1958, v + 11 pp., 13 figs., 3 tables. 



* 237. Food of salmonid fishes of the western North Pacific Ocean. By 



George H. Allen and William Aron. January 1958, iv + 1 1 pp. , 

 5 figs. , 7 tables. 



* 238. Marquesas area oceanographic and fishery data, January- March 



1957. 3y Robert C. Wilson and Murice O. Rinkel. September 

 1957, iv + 136 pp. , 3 figs. , 32 tables. 



* 239. Water quality studies in the Columbia River Basin. By Robert O . 



Sylvester. May 1958, iii + 134 pp., 62 figs., 41 tables. 



* 240. Selected references on the channel catfish, Ictalurus punctatus. By 



Carl D. Riggs. February 1958, i + 10 pp. 



* 241. Hull insurance and protection and indemnity insurance of commer- 



cial fishing vessels. By Warner C. Danforth and Chris A. 

 Theodore. December 1957, x + 337 pp. , 1 fig. , 35 tables. SSR- - 

 F 241 - Supplement by same authors was issued May 1958, iii + 

 158 pp. , 4 tables. 



* 242. Drift bottle records for Gulf of Maine and Georges Bank, 1931-56. 



By Dean F. Bumpus and C. Godfrey Day. November 1957, ii + 

 61 pp. , 2 figs. 



* 243. Wind atlas of the North Pacific. By James W. McGary and 



Thomas M. Naito. September 1957, iii + 35 pp., 53 charts, 2 

 tables. 



* 244. Use of diagnostic X-ray for determining vertebral numbers of fish. 



By Doyle F. Sutherland. March 1958, iv + 9 pp. , 7 figs. 



* 245. Cod and hydrography - a review. By John P. Wise. May 1958, 

 iii + 16 pp. , 1 fig. , 2 tables. 



* 246. Diversion of adult salmon by an electrical field. By Roger E. 



Burrows. December 1957, iii + 11 pp., 4 figs., 1 table. 



* 247. Further studies on green or offcolor condition in precooked 



yellowfin tuna. By John J. Naughton, Michael M. Frodyma, and 

 Harry Zeitlin. November 1957, v + 13 pp. , 13 figs. , 3 tables. 



* 248. Physical oceanographic, biological, and chemical data, South 



Atlantic Coast of the United States, M/V Theodore \. Gill cruise 5. 

 By William W. Anderson and Jack W. Gehringer. January 1958, 

 iv + 220 pp. , 18 figs. , 15 tables. 



* 249. Gulf of Mexico physical and chemical data from Alaska cruises. 



Compiled by Albert Collier. October 1958, vi + 417 pp. , 21 figs . , 

 8 tables. 



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