Wer ivER v weiGguyr rrr rr vr vt TT -10- 0.1 -“ § base — «x G r iC e 0.0! =_— be r \ C a a cee Seimet bee e L. r .00! 1 1090 Fig. 2. lL 200 A ‘sas gp 300 OaYS ee L : it bs yy 400 500 AFTER 600 700 600 MARCH 300 i000 1 |! '956 Le 1200 #300 Rate of decline (solid line) of redicactivity in reef fish collected at Rongelap island, Roagela, Atoll betweesa January 35, 1955 and July 17, 1957. Broken lines indicate decay in tisaues of fish collected August 3, 1956.