35 Sample Sunshine Units (ob) #9390, age 47 years, April 12, 1955. (c) #9424, age hO years, May 6, 1955. (a) #9426, age il years, May 20, 1955. 2. Foreign, Southern Hemisphere &@e Brazil: Furnished by Dr. Paolo Conto, Faculdade de Medicina, Universidade de Recife, Pernambuco, Brazil, Collection arrangements made by Dr. Re B. Watson, Rockefeller Foundation, Rio de Janeiro, Brazil. Oolk + 0,05 (1) CL 770-P: Age 18 years, Recife, January 1, 1955, clavicle, 5.89 g ash, 2.25 g Ca, (2) CL 767: Age 2h years, Rectfe, January 40,09 (3) CL 768: Age 2) years, Recife, March 13, £0.16 20, 1955, humerus, 8.32 g ash, 3.32 g Ca. 1955, metacarpals aid phalanges, ).71 g ash, 1.88 g Ca. (4) CL 766: ‘Age 26 years, Recife, August 31, 1955, femur, 12.2) g ash, 4.75 g Ca. £0.07 b. Brazil: Furnished by Dr. Jairo Camara, Faculdade de Medicina, Universidade de Minas Gerais, Belo Horizonte, Brazil. Collection arrmgements made by Dr. R. B. Watson, Rockefeller Founda~ tion, Rio de Janeiro, Brazil, (1) CL 739, Age 3k years, Marque, July 20, 1955, sternum and cartilage, rib frag- 40,02 CL 76h-P: Age 30 years, Belo Horizonte, September 9, 1955, 14.27 g ash, 5.06 g Ca. 0,12 + 0,02 | ments, 9.7 g ash, 3.1) g Ca. (2) De Dentine1, CL 665-P: Permanent teeth from persons over 15 years of age, Bristol, England, furnished by Dr. Shields Warren, Cancer Research Institute, New England Deaconess Hospital, Boston, Massachusetts, #13, collected January to April 1955, 32.32 g ash, 12,5 & Cae 0.026 + 0.011