FIGURES Page Figure No. Map of the north reef and islands of Eniwetok Atoll (top) with an enlarged map of Belle Island terns. winds. (bottom) showing typical current pat- The wind rose indicates prevailing Trends in the levels of radioactivity in tissues of fish from Belle Island. Preshot levels are plotted to the left of zero days. Trends in the levels of radioactivity in tis- sues of surgeonfish (herbivorous) from Belle 15 Island. Trends in the levels of radioactivity in tis' sues of groupers (carnivorous) from Belle Island. 16 Trends in the levels of radioactivity of surgeonfish viscera compared with those of algae and sea water, all from Belle Island 1954, 1955. Trends in the levels of radioactivity of liver tissue of omnivorous fish compared with those of algae and sea cucumber gut from Belle Is- 19 land 1954, 1955. Decline of radioactivity in goatfish viscera and bone tissues compared with decay. el Decline of radioactivity in goatfish liver and muscle tissues compared with decay. 22 Decline of radioactivity in mullet liver and muscle tissues compared with decay. 23 10, Decline of radioactivity in mullet viscera and bone tissues compared with decay. 24 ll. Radioactive decay in various tissues of several species of fish from Belle Island 1954, 1955. 25