ILLUSTRATIONS (Continued) 4.20 4.21 4.22 4.23 Page 76 17 78 79 Photograph of Fish Used in Autoradiograph of Fig. 4.19 . Photographs of Fish Collected at Bogallua Nov. 8, 1952 Autoradiograph of Fish Shown in Fig. 4.21 . . Land Plants from Engebi, Postshot . . TABLES CHAPTER 2 2.1 Collection Data, Mike Shot CHAPTER 4 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10 4.11 4.12 4.13 4.14 4.15 4.16 OPERATIONS . . . . . . . . . . . . . . . . . . RESULTS AND ANALYSIS OF DATA Radioactivity of Water Samples . . Radioactivity of Plankton Samples . . Radioactivity of All Algae Samples by Island Radioactivity of the Seven Most Common Algae by Island, Postshot Radioactivity of Invertebrate Samples by Animal Groups, Pretest Invertebrate Samples with Highest Activity, Pretest . . Frequencies of Invertebrate Ashed-sample Counts by Magnitudes, Pre- and Posttest Radioactivity of Separate Tissues or. Organs of Different Groups of Invertebrates, Postshot Radioactivity of All Invertebrate Samples “Counted at Each Collecting Station, Posttest . . . . . . . Radioactivity of Whole Fish by Stations . Radioactivity of Fish from All Stations Compared by Feeding Habits Radioactivity of Fish Tissues Compared by Stations, Preshot . Radioactivity of Fish Tissues Compared by Stations, Postshot. Radioactivity of Land Plants by Stations . . . Radiochemical Analyses of Soils and Plants, Postshot . . Radioactivity of Rats . . . . . . . . 4.17a Radioactivity of Birds, Preshot . . . . . . . 4.17% Radioactivity of Birds, Postshot 4.18 Radioactivity in Rats and Shore Birds Compared by Feeding Habits.. 4.19 Radioactivity in Terns and Shore Birds Compared by Feeding 4.20 4.21 4.22 4.23 Habits CHAPTER 5 5.1 . . . Coefficients of Vartability for Organs of Rats, ‘Postshot . Radiochemical Analyses of Sand, Soil, and Biological Samples, Posttest . . Comparison of Radioactivity ofTwo Species of‘Sea Cucumbers Collected at Aaraanbiru, Postshot . . . Comparison of Specific Activity Found in Shrimp and Aigae . CONCLUSIONS Radioactivity of Samples Summarized by Groups and by Islands UNCLASSIFIED . 18