100 RADIOACTIVITY \ o\, . NS . 3 i 50 FIG.1t 100 i 200 DAYS AFTER |. 300 MARCH ° 4 400 1, 1954 j 500 SEMI-LOG PLOTS OF. “Decay.‘CURVES.“OF. GASTRIC MILL OF CRAB, GRAPSUS GRAPSUS | , AND MUSCLE OF SEA CUCUMBER HOLOTHURIA ATRa, COLLECTED"MARCH 26,1984AT KABELLE-