LITERATURE CITED 
CLARK, FRANCES N. 
1934, Maturity of the California sardine (Sardina caerulea) determined by ova diameter 
measurements. California Div. Fish and Game, Fish. Bull, 42: 49 p. 
COCHRAN, WILLIAM G., and GERTRUDE M. COX 
1950. Experimental designs, ix, 454 p., New York: John Wiley and Sons, Inc. 
KIKAWA, SHOJI 
1953. Observations on the spawning of the bigeyed tuna (Parathunnus mebachi Kishinouye) 
near the Southern Marshall Islands. Contributions of Nankai Regional Fish. Res. 
Lab., No. 1, contribution No. 24: 10 p. 
KISHINOUYE, KAMAKICHI 
1919. The larval and juvenile stages of the Plecostei. Proc. Sci. Fish Ass'n, (Suisan 
Gakkai Ho) 3(2):49-53. (English translation - U, S, Fish and Wildlife Serv., 
Spec. Sci. Rept. - Fish. 19) 
MARUKAWA, HISATOSHI 
1941, A symposium on the investigation of tuna and skipjack spawning grounds. South Sea 
Sci. (Kagaku Nanyd) 4(1):64-75. (English translation-U. S. Fish and Wildlife 
Serv., Spec. Sci. Rept. - Fish. 18) 
MOORE, HARVEY L. 
1951. Estimation of age and growth of yellowfin tuna (Neothunnus macropterus) in 
Hawaiian waters by size frequencies, U. S. Fish and Wildlife Serv., Fish. 
Bull, 52(65):133-149 
OTSU, TAMIO 
1954, Analysis of the Hawaiian longline fishery, 1948 - 1952. U.S. Fish and Wildlife 
Serv., Comm. Fish. Rev., 16(9):1-17. 
PEARSON, KARL 
1931. Tables for statisticians and biometricians, Part Il. First ed., ccl, 262p., 
London: Cambridge University Press. 
SHIMADA, BELL M. 
1951. Contributions to the biology of tunas from the western equatorial Pacific. U. S. 
Fish and Wildlife Serv., Fish. Bull. 52(62):111-119. 
SNEDECOR, GEORGE W. > 
1946, Statistical methods. Fourth ed., xvi, 485 p., Ames, Iowa: The Iowa State College 
Press, 
VAN CAMPEN, WILVAN G. 
1952, Japanese mothership-type tuna-fishing operations in the western equatorial Pacific, 
June - October 1951. U.S. Fish and Wildlife Serv., Comm, Fish. Rev., 
14(11):1-9. 
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