PREFACE The three papers which follow are translated from the Journal of the Anthropological Society of Japan, Each is an important contribution to the problem of relative dating in archaeology by means of chemical analysis of osseous materials. For references and summaries of methods and results of the fluorine dating method see Oakley (1951) and Wiener, Oakley and Clark (1953). A related method involving relative dating based upon quantitative uptake or release of inorganic and organic bone constituents is described in Cook (1951), Cook and Heizer (1953a, 1953b), and Heizer and Cook (1956). All of the articles cited contain extensive bibliographic references. BIBLIOGRAPHY Cook, S.F. 1951 The fossilisation of human bone: calcium, phosphate, and carbonate. University of California Phblications in American Archaeology and Ethnology 40, No0 6:263-280. Berkeley. Cook, S.F. and R.F. Heizer 1953 The present status of chemical methods for dating prehistoric bone. American Antiquity 18, No, 4:354-358. Salt Lake City. 1956 Archaeological dating by chemical analysis of bone. South- western Journal of Anthropology 9, No. 2:231-238, Albuquerque. Heiser, R.F. and S.F. Cook 1956 Some aspects of the quantitative approach in archaeology. Southwestern Journal of Anthropology 12, No. 3:229-248, Albuquerque, Oakley, K.P. 1951 The fluorine-dating method. Yearbook of Physical Anthropology 5 (for 1949) :44-54, Viking Fund. New York. Weiner, J.S., K.?. Oakley and W.BE LeGros Clark 1953 The solution of the Piltdown problem. Bulletin of the British Museum (Natural History), Geology 2, No. 3:141-146. London. 21 22