Figure 20, Photograph of the deven samples
shown in Figure 19
Figure el. Autoradiograph of algae
specific activity
Figure 24,
Figure
25.
91
93
Figure 22. Corals showing white nodules of high
Figure 23.
Page
95
(a)Autoradiograph of goatfish showing
radioactivity in gills; (b)
of fish in (a)
Photograph
(a)Composite photograph of fish used
for autoradiograph (b
(a)Photograph of land plants used for
autoradiograph (b)
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98-99
100