*IR 18. The iodine content of oysters^ by E. J. Coulson. 193^*-^ 10 pp. 



*IR 19. Statistics of the mackerel fishery off the east coast of North 

 America^ 180^+ to 1930, by Oscar E. Sette and A. W. H. Needier. 

 I93U, kQ pp., illus. 



■^IR 20. Studies on the smoking of haddock, by Francis P. Griffiths and 

 J. M. Lemon. 193^4-, 12 pp. 



*IR 21. Shrimp industry of the South Atlantic ajid Gulf states vd.th notes 

 on other domestic and foreign areas, by Fred F. Johnson and Milton 

 J. Lindner. 193^^ 83 pp., illus. 



*IR 23. Studies on the metabolism of copper, by E. J. Coulson, Roe E. 

 Remington, and Kenneth M. Lynch. 193^^ 12 pp. 



*IR 2^. Modifications in gear to curtail the destruction of undersized 

 fish in otter trawling, by William C. Herrington. 1935^ ^8 pp., 

 illus . 



*IR 25. The iodine content of some American fishery products, by E. J. 

 Coulson. 1935^ 7 PP- 



*IR 26. Fishery for red snappers and groupers in the Gulf of Mexico, by 

 Norman D. Jarvis. 1935^ 29 PP', illus. 



*IR 27. Chemical and physical properties of haddock-liver oil and its 

 vitamin content, by S. R. Pottinger, Charles F. Lee, Chester D. 

 Tolle, and Roger W. Harrison. 1935^ I6 pp., illus <> 



*IR 28. Studies on the utilization of swordfish livers, by Roger W. 



Harrison, S. R. Pottinger, Charles F. Lee, and Andrew W. Anderson. 

 1935, 10 pp., illus. 



*IR 29. Condition of razor clam fishery in vicinity of Cordova, Alaska, 

 by Seton H. Thompson and F. W. Weymouth. 1935^ 1^ PP«^ illus. 



*IR 30. Effect of manufacture on the quality of nonoily fish meals, 



by Roger W. Harrison, Andrew W. Anderson, and S. R. Pottinger. 1935^ 

 30 pp^ 



*IR 31. Effect of method of manufacture on the composition of haddock 

 fish-meal proteins, by S. R. Pottinger, Roger W. Harrison, and 

 Andrew W. Anderson. 1935 ^ 1*+ PP- 



*IR 32. Studies on drying cod and haddock waste, by Andrew W. Anderson, 

 Roger W. Harrison, and S. R. Pottinger. 1935, ^1 PP* 



U3 



