~30Appendix Table 2. Total B-activity and sr994v99 in Coenobita Carapace (0.95 counting error is given for individual samples; standard error is given for averages Date collected 4/15/54 " " 5/26/54 " " 8/12/54 " 8/19/54 10/5/54 R " 3/15/55 " " 2/9/55 " " No. Av. 5504 £ »900 ra) 9 3,674 + 104 Paes t 74 Av 8,660 1 8 Av. 12,51 95 4 980 sage »O r 5 12,350 * 285 9,251 t 235 14,951 = 1,237 3,474 t 422 +172 10,163 t 282 Av. 10 SeR-F Gispl 17331 Av. 15,5 3,936 + 95 17513 975 15,002 + 265 1,413 11,690 + 262 9,7 18,428 t+ 314 3,739 +t 106 Av. 1.578 t 167 13,274 + 278 14,720 + 335 17503 17321 Av. 17,913 t 347 11510 17326 11,684 t 197 11,919 t 279 Av. 14,851 $ 7,454 F 952 10,028 + 225 8,078 t 129 Av. 10,243 11515 17508 Av. 12,158 * 275 11291 11520 7,394 + 192 5,464 + 110 10,494 *°198 11296 11301 d/m/g wet 7,344 t 179 5,311 + 154 5509 7499 Peb. 1956 _d/m/g wet 5395 5400 5405 sr?%4y7? activity Total B-activity Jan-Peb., 1956 Plate 10,344 + 254 11,150 t2 Av. i sty F479 * 1,594 | 11,790** 13,274 #* Av. 1Er2 £1,484 * Three samples pooled and duplicate aliquots taken for strontium determination *#* Duplicate aliquots of pooled samples per