35 Sample 26 be Dentine 1. (ob) #9390, ase 7 years, April 12, 1955. (c) #oulh, age lO years, May 6, 1955. (a) #926, age ll years, May 20, 1955. Foreign, Southern He:ai. sphere Ae D. Sunshine Units Brazil: Furnished by Dr. Paolo Conto, Faculdade de Medicina, Universidace de Recife, Pernambuco, Brazil, Collection arrangements made by Dr. R. B. Jatson, Rockefeller Foundation, Rio de Janeiro, Brazil. (1) CL 770-P: Age 1€ years, Recife, January 1, 1955, clavicle, 5.69 g ash, 2.85 g Ca. O.1y + 0,05 (2) CL 767: £0,09 (3) CL 76&: Azge 2) tears, Recife, March 13, 1955, metaceroals and phalanges, h.71 2 ash, 1,08 g Ca. £0.16 (lh) CL 766: Ape 26 vears, Recife, Aucust 31, 1055, ferur, 12.2: ¢ ash, l.75 g Ca. £0,07 Age 24 years, Recife, January 20, 1955, humerus, &,.32 g ash, 3.22 g Ca. Brazil: Furnished by Dr. Jairo Camara, Faculdade de Kelicina, Universidade de Ninas Gerais, Celo Horizonte, Brazil, Collection arrangements made by Dr. FE, 8, Jauson, Rockefeller Foundation, Rio de Janeiro, Brazil. (1) CL 739, Age 34 vears, Marque, July 20, 1955, sternum and cartilage, rib fragrents, 9.7 ¢ ash, 3.1h g Ca. 20,02 (2) CL 76h-P: Ape 30 years, Pelo Horizonte, September 9, 1955, 11.27 g ash, 5.06 ¢ Ca, 0,12 + 0,02 ~ CL 665-P: Permanent teeth from persons over 15 years of age, Bristol, Sngland, furnished by Dr. Shields ‘farren, Cancer Ressarch Institute, New NYGU 0,026 + 0,012 England Deaconess Hospital, Boston, iassachusetts, #13, collected Jamary to April 1955, 32.32 g¢ ash, 12.5 g Ca. ob