66 of Global Associates at Kwajalein, including Dr. Y.C. Smith and Mr. G. Brosky at the Kwajalein Hospital, were extremely helpful. At Brookhaven National Laboratory, contributions were made by manyindividuals in many departments, including Medical, Instrumentation and Health Physics, Photography and Graphic Arts, the Shipping Section and others. We are grateful to the following people for their support and advice: Dr. Maurice Goldhaber, Director; Dr. J.B.H. Kuper, Chairmanofthe Instrumentation and Health Physics Department; Dr. V.P. Bond, Chairman of the Medical Department, and others in his Department, including Drs. D.D. Van Slyke, E.P. Cronkite, and S. Cohn, Messrs. 6. Conarn, R.A. Et av., Medical Survey of Rongelap People, March 1958, Four Years After Exposure to Fallout, BNL 534 (T-135), May 1959. 7. Conarp, R.A. et ac. Medical Survey of Roagelap People Five and Six Years After Exposure to Fallout, BNL 609 (T-179), September 1960. 8. Conarp, R.A. et AL., Medical Survey of Rongelap People Seven Years After Exposure to Fallout, BNL 727 (T-260), May1962. 9. ConarD, R.A. ET AL., Medical Survey of Rongelap People Eight Years After Exposure to Fallout, BNL 780 (T-296), January 1963. 10. Conarp, R.A. Et ar., Medical Survey of the People of Rongelap and Utirik Islands Nine and Ten Years After Exposure to Fallout Radiation (March 1963 and March 1964), BNL 908 (T-371), May 1965. 11. Sussman, L.N., Meyer, L.M., anp Conarp, R.A., nursing staff of the Medical Research Center. In regard to advice and consultation on the thy- Blood groupings in Marshallese, Science 129, 644 (1959). 12. BLumberc, B.S., Biochemical polymorphismsin animals: haptoglobins and transferrins, Proc. Soc. Exptl. to Drs. S. Warren and W.A.Meissnerof the New 13. Btumserc, B.S. anp Garter, S.M., High prevalence of high-level B-aminoisobutyric acid excreters in A. Finn, G. Jackson, and W. J. 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