cask ae ey remanent ia -13- fable 3. ty ne rates for comparison. Island soil decay rates with decli Plat Locality number Date of collection No. of Days after May times 14, 1954, plate range anice " Befte Teote 7597B i) 1243 " Edne 9189 9170 i 50-540 2 2 Plate Locality, mean 1.02 49-870 4 . “64 . 6-19-54 6-7-54 49-440 49-910 2 5 62 1.2 1.2 m 25-910 49-870 2 1.27 1.4 1.06 7 7 A from Table 1 9 285 1.05 50-540 " 5-15-5 Decline . 87 1.3 Olive " 7595 7593A 7593B 6-3-54 6-3-54 " 49-870 48-870 2 2 1.21 1.28 1.2 v 6-3-54 2 2 2 2 2 -60 .68 -90 1.03 1.22 64 " 6-21-54 " 48-870 49-870 50-870 75-870 75-870 6 om Bruce " " 7591B TR 7587 91968 9196B 1.0 1.69 Elmer Henry Leroy " 9153 9151 7599 7599A 6-3-54 " " " 49-870 49-870 48-870 48-870 2 3 h 2 78 .g0 .62 -5T 8 9 -6 1.47 1.44 92 Janet Table 4. Date of collection Days No. of after May times 14, 1954, plate range counted Alice OTOTA 6-21-54 76-870 Belle 7541 5-15-54 " i Janet 9707 75418 75413 9705 Olive . h 9703B 7594 T594A Vera ‘ " i " Bruce i " " Henry eroy 1.6 Decay rates of intertidal beach sand, with declines from Table 1 for comparison. Locality Plate number . 50-540 6-3-54 counted Slope, negative Decay ft i" " 6-21-54 “ 2 Slope, negative Deca Plate Locality, mean 88 2 . 92 48-870 2 1.13 57-870 2 1.29 76-870 2 47-870 2 1.14 .80 " 6-3-54 " 74-870 49-540 48-540 2 2 2 1.16 -96 -65 7592 6-3-54 49-540 2 80 7592B 9701 " 6-21-54 48-540 76-870 2 2 -70 -76 T594B 75924 9T7O1A 9701B " " " " 7588 6-3-5 9197 6-21-54 9197B 6-21-54 7588B 9197A 971A 9709 9TO9A ' 49-540 2 2 75-870 2 1.23 75-870 2 1,28 48-540 2 83 75-870 2 75-870 2 8 8 40 1,00 . 7 1.5 2.1 5 7a 2 2.0 75-870 2 / 76-870 2 76-870 1.2 2 " 78-910 9 from Table 1 . 8s -7 . ‘ge 55 48-540 49-540 . Decline ° 0 1.36 2.2 2.2 2.2 1.88 1.39

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