- 63 - DAYS AFTER MARCH 1, 1954 —2+—— +192 : 390 TO T 80 oO (LOGARITHMIC) a b ro awd J = Ww bo ” > re 2 ~ oO B10b oO be a = a to bo 2 1 0 l Pigure 15. i 200 7 1 400 1 _tL 600 1 DAYS AFTER MARCH I, 1954 (SEMI-LOG) he. 800 Radioactive decay of tissue of gastric mill of crab, Grapsus us, collected March 26, 1954 at Kabelle, Er otted Esth as semi-log and log-log curves. RADIOACTIVITY 100 (LOGARITHMIC)