Table 20 = RADIOACTIVITY OF SAMPLES SUMUR Tv+ 22D BY GROUPS AND BY ISLANDS Thovsands of d/of/g vet Srmpl ? MATER PLANKTON neve.int tRE-TIST Avs, | Japtan ! 5 Nn t ALGAE n& 6 INVERTEBRATES Min. Ave, m® 099 Cul 2066) 49 Teurdin 2.000005} 2 8 o5i O47 18 423 magitsh 2 ,COCOS5;1 1,3 8 297 okt 240 {33 Fogsutogo J2 .00073 2.6 9 Engebd 2.00030} 2 120 Aenon-2o fon 2 .CO0015 12 Bunit 2 .OCOL2 Ave, ‘ LOLOL rest Test Jeptan [2.0002 Zeurin \ Pleadd 2.0020 Segal lua 2 2098 Engeod iz ODL Aoraandiru , 4 Max, (2. 4.3 +20 10 21. az2 [12 “She .12] 18 51. 2h 18 1.7 087 127 | Min, 70 22 4. FISH Ave. n® Max, LAND PLANTS Min... Ave. .L7 0 2024 45 6 0 .O41) 0 2, -99 59 2.5 0 2,8 ,O21 22 3.7 0 220 {14" .OL7 0 C13 37 B64 o 56 (24° -038 90 220 19 £2 1.6 0 212) 2! 9 c 2h 3.4 2092 -83 8" 2013 9 00h 39 1.3 0 228 132" C24 0 2008 50 72.0 0 1.32 50 4.2 0 ° 3.9 50 7.6 (52 €&0, OL. Oo 1.4 £30 449 LL? 0 gs. 10 40. 15. 64 75. 12 Ls. 6 2100, 28, 550, j92 4M. 2 650. 8 LLCO. 120, 52M. 23° «7700, , 3 6800. 2500, LOCO. al isco. 20050 12 bh, 9 6200. 56, 24,00. 38 «6800. (2 58. 13 250. i3. 103, 50. 160. 0 35 2.0 ook 50 , 86 OR} 4d 0 250 se 54 380, .10 22. 25. 18d, 79 6300, +46 330, «6-10, 1670. 66 7500. «37 590. ioge. 70 6800. +22 160. 68 210 2.1 sonen 214s Sunit la 2COOLL Ave. i cre tino, *n refers to plates counted, not to specimens. 1600, 63 26. 570, 72. Clk o 2.6 «76 083/50" 4.9 Ave. 6072 3.2 8.5 Uda. 0 0 45 Vax. .105 0 |72 nO -73°2=«0 ua, 8.3 7.7 8200 LAND VSUTEBRATES Ave, 50 0 07h Min, 50 x6. lk Max, 0 155 .022 n® ,07Th 1.4 3.7 6 C0052 i Max. «6.3 160. 135 BB 39. 20 820. 6 L000. 12 370. 2 &, .83 1.0 260, 4.9 20. MG 2281 16. 21' 10. |19' 100, Su 1.7 53, OTD OLL .0.9 AB 48 8.6 ; 21' 280. 25 59. Le" 46. 243 6,2 LO, 2i' 23, «17? 2.5 360. 23, 6.9. § 2 birgs er > rats