Table 1. Datc Radioactivity of the algae at Bogombogo Island (Belle) April 1954 to April 1956 expressed in uc/kg of wet tissue. Halimeda 1954 4/is .90 4/22 4/25 78 Dictyota 2.4 Caulerpa Lyngbya_ 1.5 4.6 5/16 770 5, 000 810 3, 900 5/17 780 1, 100 1, 200 670 5/19 330 420 1, 200 5/21 280 5/20 210 380 510 250 450 5/28 120 110 6/1 99 120 30 40 26 76 38 6/19 43 56 6/11 6/25 7/1 7/18 12 37 11 17 3.9 9.9 7/15 10 7/29 8/5 9.7 12 7/22 1. Rhipilia| 16 78 260 72) 1.62 500 3, 2007 520 790 160 180 22 54 18 95 150 62 24 52 60 24 40 50 2. Asparagopsis 1103 25 46 56 12 Miscellaneous 3, 500 61 6/4 6/7 Microdictyon 1,300 630 5/22 5/26 840 Codium 1.9 2.4 2,400 740 Udotea 3.8 5/15 5/18 2, 600 Spyridia 3. Enteromorpha 4. Bryopsis 17! 434

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