6h, Sample 2. CL 1160-P: Age 24 years, Brazil, furnished by Dr. Shields Warren, Cancer Research Institute, New England Deaconess Hospital, Boston, Massachusetts, Sunshine Units 0050 * 0.05 James Tussin, vertebral fragments, 7,15 g ash, 2.197 g¢ Ca. II, Animal Bone A. CL 1162-P: Lamb bones, ege 6 months, Los Banos, Philippines, furnished by Dr. Lyle T, Alexander, 1.90 + 0,11 U. S, Department of Agriculture, Beltsville, Maryland, Beltsville #56506, killed April 30, 1956, 165.5 ¢ ash, III, Milk 4A. United States: l. B, Fresh Milk from Chicago Dairies CL 1071-P: Pure Milk Association, purchased May 7, 1956, 22.6 g ash, 306) ¢ Ca. 1.65 + 0,11 Foreign le CL 1101-P: "Vigor« powdered, Sao Paulo, Brazil, Beltsville #564),9, furnished by Dr, Lyle T. Alexander, U.S. Department of Agriculture, 0.90 = 0.06 CL 1131-P: Nestle powdered whole, Magdelena, Argentina, Beltsville #5676, furnished by Dr, Lyle T. Alexander, 50.0 g ash, 10.9 g Ca. 2072 * 0.15 CL 1132-P: Powdered whole, Trenque Lauquen, 1,22 * 0,11 CL 1133-P: Powdered skim, Trenque Leuquen, 1.00 * 0.08 Beltsville, Maryland, 19.9) g ash, 4.1) g¢ Ca. 26 3e he Argentine, Beltsville #56477, furnished by Dr. Lyle T. Alexander, 52.6 g ash, 9220 g Ca. Argentina, Beltsville #56478, furnished by Dr. Ly.Ts Alexander, 64.63 g ash, 10.73 g¢ Ca, IV. Soil Ae Furnished by Dr. Lyle T. Alexander, Soil Survey Laboratory, U.S. Department of Agriculture, Belts= ville, Maryland 1. CL 1164-P: Oslo, Norway, Beltsville #55781, December 6, 1954, electrodialysis extraction of lbs. soil, 0-2" depth, 19.29 g oxalate, 7.23 g oxide, 5,16 ¢ Ca. 1.20 * 0.10