BOOK REVIEW INDEX TO VOLUME XV Anonymous, International Encyclopedia of Chemical Science, 357 Bean, H. S., et al., Advances in Pharmaceu- tical Sciences I, 656 Bennett, H., Industrial Waxes, 593 Borasky, R., Ultrastructure of Protein Fi- bers, 123 Burlage H. M., et al., Physical and Technical Pharmacy, 173 Carruthers, C., Biochemistry of Skin in Health and Disease, 353 Committee on Toxicology, Division of Chemistry and Chemical Technology, National Academy of Sciences, National Research Council, Principles and Proce- dures for Evaluating the Toxicity of Household Substances, 772 Dautrebande, L., Microaerosols, 56 Davies, J. T., and Rideal, E. K., Interfacial Phenomena, 356 Florkin, M., and Stotz, E. H., Comprehen- sive Biochemistry, Vol. VII, 124 Gleason, M. N., et al., Clinical Toxicology of Commercial Products, 355 Hall, D. A., Elastolysis and Aging, 519 Hibbott, H. W., Handbook of Cosmetic Science, 770 Hummel, D., Identification and Analysis of Surface-active Agents by Infrared and Chemical Methods, 769 Kenneth, J. H., Henderson's Dictionary of Biological Terms, 123 Neurath, H., The Proteins, Composition, Structure and Function, 521 Neustadt, D. H., Chemistry and Therapy of Collagen Diseases, 353 Neville, H. H., et al., New German-English Dictionary for Chemists, 521 Pergamon Press Ltd., Food and Cosmetics Toxicology, 55 Perutz, M. F., Proteins and Nucleic Acids, 175 Sax, N. I., Dangerous Properties of Indus- trial Materials, 354 Sexton, W. A., Chemical Constitution and Biological Activity, 174 Sherman, P., Rheology of Emulsions, 55 Shinoda, K., et al., Colloidal Surfactants: Some Physicochemical Properties, 173 Snell, F. D., and Biffen, F. M., Commercial Methods of Analysis, 594 Society of Chemical Industry, Techniques of Polymer Science, 124 VanOlphen, H., An Introduction to Clay Colloid Chemistry for Clay Technologists, Geologists, and Soil Scientists, 519 VanWazer, J. R., et aL, Viscosity and Flow Measurement--A Laboratory Handbook of Rheology, 520 Wells, F. V. and Lubowe, I., Cosmetics and the Skin, 770 778

JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS 779 Statement required by the act of October 23, 1962 Section 4369, Title 39, United States Code, showing the ownership, management, and circulation of T}tE JouRNaL oF •-}tE SocigTv oF Cosvrvz•-ic C}tEvris•-s, published six (6) times a year at 20th & Northampton Sts., Easton, Pa. 18043, for Volume XV, Number 11 (December), 1964, filed on October 1, 1964. 1. The names and addresses of the publisher, editor, and managing editor are: Publisher: The Society of Cosmetic Chemists, Inc., 2 E. 63rd St., New York, N.Y. 10021. Editor: Martin M. Rieger, 201 Tabor Rd., Morris Plains, N.J. 07950 Managing Editor: None. 2. The owner is: The Society of Cosmetic Chemists, Inc., 2 E. 63rd St., New York, N.Y. 10021. 3. The known bondholders, mortgagees, and other security holders owning or holding 1 per cent or more of total amount of bonds, mortgages, or other securities are: None. 4. The average number of copies of each issue of this publication sold or distributed, through the mails or otherwise, to paid subscribers during the twelve months preceding the date shown above was: 2240. I certify that the statements made by me above are correct and complete. Martin M. Rieger, Editor for the Publisher