-FT1- LITERATURE CITED Arnold, J. R., and Martell, E. A. Sci. American 201 (3), 84-93. (1959). Bowen, V. T., and Sugihara, T. T. The circulation of isotopes. (1958). Marine geochemical studies with fallout radioisotopes. Second United Nations International Conference on the Peaceful Uses of Atomic Energy. A/CONF. 15/P/403, 13 pp. Chipman, W. A. (1958). Accumulation of radioactive materials by fishery organisms. Proc. of 11th Ann. Sess. of Gulf and Caribbean Fisheries Institute, Nov. 17-21, pp. 97-110. Claus, W. D. (ed.). (1958). The Concept and Philosophy of Permis- sible Dose to Radiation. In "Radiation Biology and Medicine, " pp. 389-404. Crow, J. F. 201 (3), Addison-Wesley Pub. Co., Reading, Mass. (1959). 138-160. Ionizing radiation and evolution. Donaldson, L. R., and Foster, R. F. (1957). Sci. American Effects of Radiation on Aquatic Organisms. In "The Effects of Atomic Radiation on Ocean- ography and Fisheries, '' pp. 96-102. search Council, Publ. No. 551. Nat. Acad. Sci.-Nat. Re- Washington, D. C. Donaldson, L. R., Seymour, A. H., Held, E. E., Hines, N. O., Lowman, F. G., Olson, P. R., and Welander, A. D. (1956). Survey of radioactivity in the sea near Bikini and Eniwetok Atolls, June 11-21, 1956. 39 pp. U.S. Atomic Energy Comm. report UWFL-46. Off. Tech. Services, Dept. of Commerce. Washington, D. C. Dunham, C. L. (1959). General Review of Developments since 1957 Hearings. In "Fallout from Nuclear Weapons Tests,'' Vol. I, pp. 10-50. “Hearings before the Special Subcommittee on Radiation of the Joint Committee on Atomic Energy, Congress of the United States, Eighty-sixth Congress, May 5, 6, 7 and 8, 1959. Washington, D. C.

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