samples from wotho, Tarawa, Ponape, and Kapingamerangi, K*~ contributed the major portion of the radioactivity. cullzcied at the samples Other same time contained wil, 185, radioisotopes identified with the 1955 fallout. J3ome samples, 3uch as coconut crab abdomen and whole fish from Wotho, tained me? , none. of tne es’ whereas others, such as Some of the land plants long-lived pace from Wotho re. oorted py Held contained contained measurabl3 amounts fission produc:s cs! 37 ana 309°, level of Sr 90 was 1s0tope hy the land plants, con- The high- found im a sample of coconut crab cara- (18 yuc’g cry). The concentration of this curapbace of lani crabs at Eniwetok hae been (19 The relatively capia decay or deta radioactivity in som: of the samples collected in 1956 at Tarawa, wotho (Fig. ,sotopes. 2 A-E) Ponape and andicates the presence of short-lived A gamma spectrum analysis of one of the samples (leaves anu stens of a Messerschwadia plant from Wotho) showed that 7r?? Nb? weve the predonminait radigisotopes in this sampi-. Thomas :t al. (1958) found that th-:se isotopes kontributec approximaicly &4 per cent of the total radioactivity in isotopes : duplicate scample. in the rer? islands. 1356 samples The presence of short-lived indicated recent fallout at ~/6- —_ a ART a