activity the order is identical in the two groups. Table l6a - RADIOACTIVITY oF PRE-SHOT RATS Thousands of d/m/g Wet Sample Island Wt in gms Engebi 175 Blijiri-. 57 Ro joa 82 TT 63 Skin Stomach Gut & Muscle Bone Liver & con- con- tents 0 0 0.011 | 0.020 0.026 0.014 0 0.016 0 0.020 tents Lung Kidney 0 O 0 0.012 0 0.016 0.018 0.026 Oo oO 0.015 0 O O O 0.012 0.012 0.016 0.010 0 0 0.016 0.011 0.014 oO O 0 0 0 0 Table 16b - RADIOACTIVITY OF POST SHOT RATS Thousands of d/m/g Wet Sample Island Wt in Skin £ms Biijiri 58 66 69 72 95 120 Average : stomach Gut & Muscle Bone Liver & contents 6.4 9.90 14. 8.8 9.1 7.6 0.48 1.6 1.1 1.0 0.68 0.76 13. 8.3 18. le. 7.0 46, 1.9 2.2 2.3 1.5 1.9 1.5 0.94 16. 3.7 0.20 1.2 3.5 9.2 0,94 17. 1.9 4.3 con- tents Lung Kidney 34, ll. 3.2 5.8 1.4 16. 1.2 1.4 1.0 0.94 0.75 0.79 2.2 3.4 3.8 2.2 2.7 4.1 le. 1.0 3.1 Part of the activity in some of the tissues may be due to naturally occurring x40 | However, the amount of potassium per unit wet weight in the skin and muscle is approximately the same and in either instance would amount to 5 d/m/g or less. If x40 were mainly responsible for the increase in activity in the tissues then one would expect skin muscle - €6 - and cap ae