328 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS INDEX TO ADVERTISERS American Cholesterol Products, Inc .................... vii Atlas Powder Company ..................... Inside Back Cover Chiris Co., Inc., Antoine .............................. xxii Colburn Laboratories, Inc ............................. xxvi Cosmetic Laboratories, Inc ............................ xxviii Dodge & Olcott, Inc .................................. viii Dow Corning Corporation ........................... iv Evans Chemetics, Inc ................................. i Felton Chemical Co., Inc .............................. iii Firmenich, Inc ....................................... v Fritzsche Brothers, Inc ............................... x Givaudan-Delawanna, Inc ................... Inside Front Cover Goldschmidt Chemical Corp ........................... xxiii Helfrich Laboratories, Inc ............................. xxvi Kohnstamm & Co., Inc., H ............................ xi LaWall & Harrisson .................................. xxvi Leberco Laboratories ................................. xxvi Maimstrom and Co., N. I ............................. ix New Jersey Zinc Co., The ............................ xii Parento, Inc., Compagnie ............................. xx Parsons-Plymouth, Inc., M. W ......................... xvi Reheis Company, Inc ................................. xxi Robertet, P., Inc .................................... xxiv Robinson-Wagner Co., Inc ............................ xviii Rohm & Haas Company .............................. xix Rose Company, Inc., Gene ............................ xxv Roure-DuPont, Inc ................................... xvii Schimmel & Co., Inc ................................. xxv Stepan Chemical Co .................................. xiv van Ameringen-Haebler, Inc ........................... xiii Vanderbilt, R. T., Co ................................. xxvii Verley, Albert and Co ................................ xv Verona Chemical Company ......................... vi Will and Baumer Candle Co., Inc ........... Outside Back Cover