No . Title 



53. Juvenile forms of Neothunnus macropterus , Katsuwonus pelamis , and Euthynnus yaito from 

 Philippine seas. By Charles B. Wade. 1950, vol. 51, ii + pp. 395-404, 13 figs. 



54. Description of a projection device foruseinage determination from fish scales. By Kenneth 

 H. Mosher. 1950, vol. 51, i + pp. 405-407, 4 figs. 



59. Breeding habits of lake trout in New York. By William F. Royce. 1951, vol. 52, ii + pp. 59- 

 76, 6 figs., 7 tables. 



61. Characteristics of spawning nests of Columbia River salmon. By Clifford J. Burner. 1951, 

 vol. 52, ii + pp. 97-110, 7 figs., 1 table. 



62. Contributions to the biology of tunas from the western equatorial Pacific. By Bell M. 

 Shimada. 1951, vol. 52, ii + pp. 11 1- 119, 2 figs., 4 tables. 



64. Juvenile oceanic skipjack from the Phoenix Islands. By Bell M. Shimada. 1951, vol. 52, 

 i, + pp. 129-131, 1 table. 



65. Estimation of age and growth of yellowfish tuna ( Neothunnus macropterus ) in Hawaiian 

 waters by size frequencies. By Harvey L. Moore. 1951, vol. 52, ii + pp. 133-149, 14 figs., 

 1 1 tables. 



66. Studies of George Bank haddock. Part I: Landings by pounds, numbers, and sizes of fish. 

 By Howard A. Schuck. 1951, vol. 52, ii + pp. 151- 176, 16 figs., 37 tables. 



67. Comparison of haddock from Georges and Browns Banks. By Howard A. Schuck and Edgar L. 

 Arnold, Jr. 1951, vol. 52, ii + pp. 177-185, 4 figs., 6 tables. 



70. Age, growth, and production of yellow perch in Lake Erie. By Frank W. Jobes. 1952, vol. 

 52, ii + pp. 205-266, 10 figs., 38 tables. 



72. Comparison of yellowfin tuna of Hawaiian waters and of the American West Coast. By Milner 

 B. Schaefer. 1952, vol. 52, ii + pp. 353-373, 11 figs., 7 tables. 



76. A contagious disease of salmon possibly of virus origin. By R. R. Rucker, W. J. Whipple, 

 J. R. Parvin, and C. A. Evans. 1953, vol. 54, ii + pp. 35-46, 5 figs., 4 tables. 



77. Spawning of yellowfin tuna in Hawaiian waters. By Fred C. June. 1953, vol. 54, ii + pp. 47- 

 64, 1 1 figs., 6 tables. 



78. Estimation of growth rate in animals by marking experiments. By Milton J. Lindner. 1953, 

 vol. 54, i + pp. 65-69, 3 figs. 



79. Stabilization of the phosphate ratio of sea water by freezing. By Albert W. Collier and 

 Kenneth T. Marvin. 1953, vol. 54, ii + pp. 71-76, 7 tables. 



80. Phosphorus exchange in marine phytoplankton. By Theodore R.Rice. 1953, vol. 54, ii + pp. 

 77-89, 3 figs., 7 tables. 



81. Food of yellowfin tuna in the central Pacific. By John W. Reintjes and Joseph E. King. 

 1953, vol. 54, iii + pp. 91-110, 10 figs., 7 tables. 



85. Determining age of Atlantic shad from their scales. By James P. Cating. 1953, vol. 54, 

 ii + pp. 187-199, 12 figs., 1 table. 



86. Population heterogeneity in the Pacific pilchard. By Frances E. Felin. 1954, vol. 54, 

 ii + pp. 201-225, 9 figs., 4 tables. 



88. Causes of fluctuations in abundance of Connecticut River shad. By Reynold A. Fredin. 1954, 

 vol. 54, ii + pp. 247-259, 1 fig., 7 tables. 



