Figure 24b. Autoradiograph of the fish pictured in Figure 24a. Activity is greatest in the surgeon fish, moderate in the butterfly, wrasse and damsel fish, and Slight in the grouper and squirrel fish. Counts in d/m/g of the tissues of the surgeon fish were as follows: muscle 26,000, skin 150,000, bone 120,000, liver 400,000, and gut 6,800,000. Counts in the squirrel fish were: muscle 10,000, skin 31,000, bone 16,000, liver 30,000, and gut 21,000. (Autoradiograph produced by 8 days exposure, Jan. 6 to 14, 1953). - 93 - | rok