ACKNOWLEDGMENTS
Here I should like to thank the many who have so generously sent me the reprints of their own papers or the descriptions of their research films. My thanks are also due to many authors and publishers who have permitted the reproduction of their illustrations, and individual acknowledgment is made to them at the appropriate place, on each illustration. Many friends have helped me by discussing the manuscript and reading the proofs, and where I have departed from their suggestions, I have done so at my peril. Cinemicrography was read and commented on by Prof. P.D.F. Murray, F.R.M.S. and Mr. Noel Monkman, F.R.M.S.; Biology by Prof. P.D.F. Murray, Dr. J . M. Rendel and Mr. J. Simons, M.Sc; Anthropology by Prof. AJP. Elkin, Prof. S.F. Nadel, Dr. W.E.H. Stanner and Mr. and Mrs. R.M. Berndt; Psychology by Dr. C. de Moncheaux and Mrs.
A.R. Michaelis, B.Sc; finally the chapter on Medicine was critically reviewed by Dr. R. Brodie, Dr. P. Korner, Dr. R. Mac Keith, Dr. B. Stanford. To all of them I am truly grateful. My sincere thanks are also due to Mr. E.V. Steel, the Librarian, and particularly to Miss B. Wines and Mr. T.B. Southwell of his staff at the Fisher Library, the University of Sydney. To Prof. P.D.F. Murray and to Prof. A.K. Stout, I can never be grateful enough for the way in which they have supported my work, and the Vice Chancellor and Prof. A.V. Stephens of the same University I must thank for certain facilities placed at my disposal.
Fortunate indeed is the author who has beside him a translator of his rough manuscript into perfectly typed copy. In my own case I was indeed lucky to find such help in Mrs. K.C. Moulton to whom even the most lengthy German and French words were apparently a mere commonplace. To the publishers, Academic Press, I would also like to extend my thanks. Last, but by no means least, is the gratitude to my wife, who not only read and commented on the whole manuscript, but who also has helped me in the many ways in which only a wife can assist in the writing of a book.
A.R.M.
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