No . Title 



*27. The salmon and salmon fisheries of Swiftsure Bank, Puget Sound, and the Fraser River. 

 By George A. Rounsefell and George B. Kelez. 1938, vol. 49, i + p. 693-823, 29 figs., 58 

 tables. 



*28. The life history of the striped bass, or rockfish, Roccus saxatilis (Walbaum). By John C. 

 Pearson. 1938, vol. 49, i + p. 825-851, 26 figs. 



*29. Effect of currents on distribution and survival of the eggs and larvae of the haddock 

 ( Melanogrammus aeglefinus ) on Georges Bank. By Lionel A. Walford. 1938, vol. 49, 

 i + p. 1-73, 50 figs., 5 tables. 



*30. The early life histories of some American Penaeidae, chiefly the commercial shrimp, 

 Penaeus setiferus (Linn.). By John C. Pearson. 1939, vol. 49, i + p. 1-73, 67 figs., 6 

 tables. 



*31. Natural history and method of controlling the starfish ( Asterias forbesi , Desor). By Paul S. 

 Galtsoff and Victor L. Loosanoff. 1939, vol. 49, i + p. 75-132, 32 figs., 24 tables. 



*32. The history and development of the fisheries of the Columbia River. By Joseph A. Craig 

 and Robert L. Hacker. 1940, vol. 49, iii + p. 133-216, 16 figs., 27 tables. 



*33. Spawning and setting of oysters in Long Island Sound in 1937, and discussion of the method 

 for predicting the intensity and time of oyster setting. By Victor L. Loosanoff and James 

 B. Engle. 1940, vol. 49, i + p. 217-255, 11 figs., 18 tables. 



*34. Water conditions affecting aquatic life in Elephant Butte Reservoir. By M. M. Ellis. 1940, 

 vol. 49, i + p. 257-304, 22 figs., 15 tables. 



*35. Studies on the striped bass ( Roccus saxatilis ) of the Atlantic Coast. By Daniel Merriman. 

 1941, vol. 50, ii + p. 1-77, 36 figs., 23 tables. 



*36. The young of some marine fishes taken in lower Chesapeake Bay, Virginia, with special 

 reference to the gray sea trout, Cynoscion regalis (Bloch). By John C. Pearson. 1941, 

 vol. 50, ii + p. 79-102, 26 figs., 3 tables. 



*37. The salmon runs of the Columbia River in 1938. By Willis H. Rich. 1942, vol. 50, ii + p. 

 103-147, 8 figs., 26 tables. 



*38. Biology of the Atlantic mackerel ( Scomber scombrus ) of North America. Part 1: Early life 

 history, including the growth, drift, and mortality of the egg and larval populations. By 

 Oscar Elton Sette. 1943, vol. 50, ii + p. 149-237, 18 figs., 21 tables. 



*39. Fluctuations in abundance of red salmon, Oncorhynchus nerka (Walbaum), of the Karluk 

 River, Alaska. By Joseph T. Barnaby. 1944, vol. 50, ii + p. 237-295, 9 figs., 43 tables. 



*40. The whitefish fishery of Lakes Huron and Michigan with special reference to the deep- 

 trap-net fishery. By John Van Oosten, Ralph Hile, and Frank W. Jobes. 1946, vol. 50, 

 ii + p. 297-394, 23 figs., 63 tables. 



*41. Studies of the protozoan parasites of fresh-water fishes. By H. S. Davis. 1947, vol. 51, 

 ii + p. 1-29, 14 plates. 



*42. Effect of different concentrations of micro-organisms on the feeding of oysters (O. vir- 

 ginica ). By V. L. Loosanoff and James B. Engle. 1947, vol. 51, ii + p. 31-57, 25 figs., 

 3 tables. 



*43. Ecological and physiological studies of the effect of sulfate pulp mill wastes on oysters 

 in the York River, Virginia. By Paul S. Galtsoff, Walter A. Chipman, Jr., James B. Engle, 

 and Howard N. Calderwood. 1947, vol. 51, ii + p. 59-186, 71 figs., 20 tables. 



*44. Contributions to the biology of the Pacific tunas. By Milner B. Schaefer and John C. Marr. 

 1948, vol. 51, ii * p. 187-206, 10 figs., 2 tables. 



