256 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS (2) Marshall, C. Edmund, "The Colloid Chemistry of the Silicate Minerals," New York, Academic Press Inc., 1949, p. 69. (3) Ibid., p. 70. (4) Ibid., p. 162. (5) Conley, John E., "Bentonire," Wash- ington. D.C., U. S Bureau of Mines, Techmcal Paper 609, 1940, p. 3. (6) Ibid., pp. 12, 13. (7) Caldwell, O. G., and Marshall, C. E., "A Study of Some Chemical and Physi- cal Properties of the Clay Minerals Nontronite, Attapulgite and Saponite," Columbia, Mo., U. of Missouri Res. Bul. #354, 1942, pp. 27, 28. (8) Clark, F. W., "The Constitution of the Natural Silicates," U.S. Geological Survey Bul., 588, 109 (1914). (9) Sutheim, George M., "Introduction to Emulsions," Brooklyn, N.Y., Chemical Publishing Co., Inc., 1946, pp. 87, 146. (10) Dorr, J. V. N., and Lasseter, Franklin P., "Colloid Chemistry," New York, N.Y., Reinhold Publishing Corp., 1946, pp. 784, 785 (Alexander Vol. VI). (11) Green, Henry, and Weltmann, Ruth N., "Colloid Chemistry," New York, N.Y., Reinhold Publishing Corp., 1946, p. 328 (Alexander Vol. VI). INDEX TO ADVERTISERS Alrose Chemical Co .................................................. VIII Atlas Powder Company ...................................... Inside Back Cover Baker Chemical Co., J. T ............................................. lI Bjorksten Research Laboratories.. • .................................... XVIII Continental Chemical Company ....................................... X Cosmetic Laboratories, Inc ............................................ XX Emu'sol Corporation, The ............................................ XI Evans Chemetics Inc ................................................ V Firmenich Inc ...................................................... VI Givaudan-De'.awanna, Inc ................................... Inside Front Cover Kohnst•mm & Co., Inc., H ........................................... VII Kolmar Laboratories Inc ............................................. XV Leberco Laboratories ................................................ XIX Maimstrom & Co., N. I .............................................. IX Merck & Co., Inc ................................................... XVI Parento, Inc., Compagnie ............................................ XVII Reheis Co., Inc ..................................................... XXII Schimmel & Co ..................................................... IV Seil, Putt & Rusby, Inc ............................................... XIX Snell Inc., Foster D .................................................. XVIII Summit Chemical Products Corp ....................................... XIV United States Testing Co., Inc ......................................... XVIII Van Ameringen-Haebler, Inc .......................................... XIII Vanderbilt Co., Inc., R. T ............................................. XXI Van Dyk & Company, Inc ............................................. III Ver'ey and Company, Inc., Albert ...................................... I Will and Baumer Candle Co., Inc .............................. Outside Back Cover

THE THIRD MEDAL AWARD December 5, 1950 Hotel Biltmore, New York, N.Y. THE AWARD OF A medal to an outstanding contributor to the art and science of cosmetics was an- nounced in the trade press and by special notice to members in June, 1948. The first medalist was Colonel Marston Taylor Bogerr, Professor Emeritus of organic chemistry, Co- lumbia University. The award was made December 8, 1948. A full account of the program appears in J. Soc. COSMETIC CHEMISTS, 1, 266 (1949). The second medalist was Dr. Ralph Liggett Evans, President, Evans Chemetics, Inc., Evans Re- search and Development Corp., and Sales Affiliates, Inc. The award was made December 8, 1949. A full account of the program appears in J. Soc. COSMETIC CHEMISTS, 2, 41 (1950). ::• :• .:•- .---•..• •:: •'.,.:• • ' . •:i'• •"• -:::.i '.: ... .... .•..:• ß . ß }.: :::'" -,•y:'. '-..., .• , Dr. E.G. McDonough, (left) presenting the Medal to Dr. Eric C. Kunz (right) 257