No. Title 



* 24. A study of the mackerels, cybiids, and tunas. By Kamakichi 



Kishinouye. Translated from the Japanese language by W. G. Van 

 Campen. May 1950, i + 14 pp. 



* 25. Poisonous fishes of the South Seas. Translated from the Japanese 



language by W. G. Van Campen. May 1950, iii + 221 pp. , 139 

 tables. 



* 26. The pearl fishery of Venezuela. By Paul S. Galtsoff. May 1950, 



26 pp. , 6 figs. , 7 tables. 



* 27. Ciguatera: tropical fish poisoning. By William Arcisz. May 1950, 



iii + 23 pp. , 7 tables. 



* 28. The pearl-oyster resources of Panama. By Paul S. Galtsoff. May 



1950, 53 pp. , 28 figs. , 7 tables. 



* 29. Injured and dead fish in the vicinity of Bonneville Dam. By Harry A. 



Hanson, Paul D. Zimmer, and Ivan J. Donaldson. June 1950, v + 

 41 pp. , 9 figs. , 19 tables. 



* 30. Pollution in the lower Columbia Basin in 1948--with particular refer- 



ence to the Willamette Basin. By Frederic F. Fish and Robert R. 

 Rucker. June 1950, iii + 22 pp. , 2 figs. , 1 table. 



* 31. Doctoral dissertations on the management and ecology of fisheries . 



Prepared in the Branch of Fishery Biology. July 1950, i + 34 pp. 

 (Reissued in October 1952 as Special Scientific Report—Fisheries 

 No. 87, Doctoral dissertations on the management and ecology of 

 fisheries. Additional listing - 1952. ) 



* 32. Vitamin A in selected, pale- colored livers of Alaska fur seals, 1948. 



By Victor B. Scheffer, Neva L. Karrick, and F. Bruce Sanford. 

 July 1950, i + 8 pp. , 3 figs. , 2 tables. 



* 33. Results of encouragement for the development of albacore fishing 



grounds in 1939. Translated from the Japanese language by W. G. 

 Van Campen. November 1950, i + 175 pp. , 18 figs. , 52 tables, 

 1 1 charts. 



* 34. Upper Sacramento River sport fishery. By Stanford H. Smith. 



September 1950, i + 44 pp. , 2 figs. , 12 tables. 



* 35. English translations of fishery literature. Compiled by Leslie W. 



Scattergood. March 1951, i + 65 pp. 



* 36. Survey of the Columbia River and its tributaries—Part III. By 



Zell E. Parkhurst, Floyd G. Bryant, and Reed S. Nielson. Sep- 

 tember 1950, ii + 103 pp. , 7 figs. , 1 table. 



