we Fig. 4.15 ~~ Actual-size autoradiographs of eleven cf the more radioactive posttest ashed samples. Pictures should not be compared because of different photographic reatinent. (1) Plate 423, Bogallua, damselfish muscle, (2) Plate 407, Bogallua, Tridacna (clam) muscle. (3) Plate 403, Bogallua, octopus digestive gland. (4) Plate 427, Bogallua, damselfish viscera. (5) Plate 353, Bogallua, plankton. (6) Plate 354, Bogallua, plankton. (7) Plate 483, contents, (9) Plate 676, Aaraanbiru, tattler (bird) gizzard. (10) Plate 816, Aaraanbiru, Lyngbya (alga), entire. (11) Plate 819, Aaraanbiru, Jania-Like alga, entire. UNCLASSIF1ZD * Engebi, hermit-crab viscera. (8) Plate 500, Engebl. H, atra (sea-cucumber) gut and