46 Sample 16. Sunshine Units CL 1099eP: Celcareous, Algeria, Beltsville #55647, obtained by Dr. L. Alexander, February 15, 1.20 + 0,08 1955, electrodialysis extraction of i, lbs. soil, O-l"" depth, 20.0 g oxalate, 7657 g oxide, 5h g Cae 17 CL 1100-P: Calcareous, Algeria, Beltsville 2.90 ¥ 0.20 #55648, obtained by Dr. Le Alexander, February 15, 1955, electrodialysis extraction of lbs. soil, O-l" depth, 26.75 g oxalate, 10.16 g oxide, 7.26 g Ca (less 1 g Ca added during last step of elcctrodialysis procedure). 18. CL 1098-P: Deker, F.W. Africa, Beltsville #55645, 3.71 ~ 0.1) obtained by Dre Le Alexander, February 13, 1955, electrodialysis extraction of lbs. soil, O0-)" depth, 8.66 g oxalate, 3.26 g oxide, 2.33 g Ca (less 1 g Ca added during last step of clectro- dialysis procedure). 19. CL 1136-P: Dakar, F.W. Africa, Beltsville #5566, 9.31 + 0.7h obtained by Dr. Le Alexander, February 1h, 1955, electrodialysis extraction of lbs. soil, 0-}'" depth, 4.38 g oxalate, 1.75 g oxide, 1.27 g Ca (less 1 g Ca added during last step of electrodialysis procedure). 20. CL 1137-P: Bombay, India, Beltsville #55672, obtained by Dr. Le Alexander, February 14, .1955, 0.40 * 0,02 electrodialysis extraction of 4 los. soil, 0-)" depth, 29.99 g oxalate, 11.45 g oxide, 8.03 g Ca. 21, CL 1138-P: Bombay, India, Beltsville #55673, obtained by Dr. L. Alexander, February 14, 1955, 0.6 * 0,05 electrodialysis extraction of 4 lbs, soil, 0-k" depth, 35.5 g oxalate, 13.62 g oxide, 9.61 g Ca, 22. CL 1096-P: Tokyo, Japan, Beltsville #55643, ob- tained by Dr. L. Alexander, February 10, 1955, elcctrodiclysis extraction of 3.7 * 0.3h lbs. soil, 0-l" depth, 4.997 g oxalate, 1,89 g oxide, 1.35 g Ca. 236 CL 1097-P: Tokyo, Japan, Beltsville #556hLL, obtained by Dr. L. Alexander, February 10, 1955, 586 © 0.29 electrodiclysis extraction of h lbs. soil, 0-l;" depth, 5.7) g oxalate, 2.17 g oxide,.1.55 g Cae De Foreign, Southern Hemisphere le CL 1OyeP: Brazil, Beltsville #54288, obtained by Dr, Le Alexander, Merch 2, 195), NHAC extrac+ tion of lbs, soil, O-l" depth, 0.32 g oxalate, 0.12 g oxide, 0.09 g Ca. 5.3% 21