16 - Figure 23a. Autoradiograph of goatfish, activity in the gills. Mulloidichthys auriflamma, ~* Loe Figure 23d. showing radio- Blue Brand Dec. 3, 1952 to Jan. 5, 1953. eo pare * es : = . AS om 4 Photograph of fish used in above autoradiograph. Section of vertebrae removed for counting. counts in tissues were as follows : muscle, 1,660; skin, 17,500; bone, 16,000; liver, 29,900; gut, 715,600.