SUBJECT INDEX TO VOLUME VI 431 Cosmetic Chemist, Wax and the, by L. Ivanovsky, 130 Cosmetic Chemistry--From a Dermatolo- gist's Point of View, Some Uses and Limitations of Radioactive Isotopes in, by Victor H. Witten, 399 Cosmetic Industry, Records and Coatings in the Perfumery and, by E. Polan, 251 Cosmetics, The Uses and Newer Applications of the Silicone Compounds in Dermatology and, by I. I. Lubowe, 19 Costings in the Perfumery and Cosmetic Industry, Records and, by E. Polan, 251 Dermatology and Cosmetics, The Uses and Newer Applications of the Silicone Com- pounds in, by I. I. Lubowe, 19 Detergent Test--Part I, Development of a, by W. B. Smith and A. Taylor, 96 Detergent Test--Part II, Development of a, by W. B. Smith and A. Taylor, 239 Development of a Detergent Test--Part I, by W. B. Smith and A. Taylor, 96 Development of a Detergent Test--Part II, by W. B. Smith and A. Taylor, 239 Eczematous Sensitization, The Sequence of Events in the Development of an, by Adolph Rostenberg, Jr., 34 Effect of Bilateral Structure on the Chem- istry of Keratin Fibers, The, by J. H. Dusenbury and E. B. Jeffries, 356 Effect Upon Emulsions of the Hydroxy Compounds in Beeswax, The, by J. Pick- thall, 263 Eighth Medal Award, 416 Emulsion Control, Toward, by Sydney Ross, 184 Emulsion Stability, Theory of, by Harold L. Greenwald, 164 Emulsions of the Hydroxy Compounds in Beeswax, The Effect Upon, by J. Pick- thall, 263 Essential Oils, On Purchasing, by W. R. Littlejohn, 260 Epidermal Differentiation, Newer Aspects of, by Peter Flesch, 14 Evaluation of Chemicals by Application to Animal Skin, by L. W. Hazleton, 178 Evaluation of Commercial Alkyl. Sulphates, The, by R. H. Crockett, 124 Film Properties and Compound Formation in the Sodium Lauryl Sulfate-Lauryl Alcohol-Water System, by Abraham Wil- son, 392 . Foam Transitions and Foam Persistence, by M. B. Epstein, 370 Glycerides--An Application of X-ray Dif- fraction, The Polymorphism of, by E. S. Lutton, 26 Geriatrics, Social and Economic Aspects of Skin, by Edward Henderson, 382 Great Britain, The Annual General Meeting of the Society of Cosmetic Chemists of, 286 Hair Growth, The Physiology and Histo- chemistry of, by Herman B. Chase, 9 Histochemistry of Hair Growth, The Physi. ology and, by Herman B. Chase, 9 Histology of Aging Skin, The Anatomy and, by Warren Andrew, 299 Hydroxy Compounds in Beeswax, The Effect Upon Emulsions of the, by J. Pickthall, 263 Keratin Fibers, The Effect of Bilateral Structure on the Chemistry of, by J. H. Dusenbury and E. B. Jeffries, 356 Laboratory Testing of the Effects Upon the Skin of Topical Agents, by Peter Flesch, 161 Lanolin Derivatives, Acetylated, by Lester I. Conrad and Kalmen Motiuk, 344 Location of Books on Cosmetic Formula- tions, by S. J. Strianse and P. G. Lauffer, 49 Mechanism of Percutaneous Penetration and Absorption, The, by Stephen Rothman, 193 Membership Directory: American Society, 148 Membership Directory: British Society, 155 Mercaptan-Disulfide System in Permanent Waving, The, by Ross Whitman, 387 New York Section News, 60, 222, 417 Newer Aspects of Epidermal Differentiation, by Peter Flesch, 14 Odours and Its Uses, A Classification of, by William A. Poucher, 80 Oils, White, by H. Paton, 245 On Purchasing Essential Oils, by W. R. Littlejohn, 260 _Percutaneous Penetration and Absorption, The Mechanism of, by Stephen Rothman, 193 Perfumery and Cosmetic Industry, Records and Costings in the, by E. Polan, 251 Permanent Waving, The Mercaptan-Di- sulfide System in, by Ross Whitman, 387 pH Value and Its Implications, by R. H. Marriott, 289 Physical Chemical Properties of Stearic Acid, Some, by C. C. Tillorson, 40 Physiology and Histochemistry of Hair Growth, The, by Herman B. Chase, 9 Polymorphism of Glycerides--An Applica- tion of X-ray Diffraction, The, by E. S. Lutton, 26 Poucher, William A., The Man, by H. Gregory Thomas, 76 Poucher, William A., The Pioneer, by Pierre L. Bouillette, 69 Proteins of Epidermis and Their Possible Relation to Aging Skin, The Structural, by C. Carruthers, D. L. Woernley, A. Baum- let, and H. Shorts, 324 Radioactive Isotopes in Cosmetic Chemistry --From a Dermatologist's Point of View, Some Uses and Limitations of, by Victor H. Witten, 399 Records and Costings in the Perfume and Cosmetic Industry, by E. Polan, 251

432 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Sensitization, The Sequence of Events in the Development of an Eczematous, by Adolph Rostenberg, Jr., 34 Sequence of Events in the Development of an Eczematous Sensitization, The, by Adolph Rostenberg, Jr., 34 Seventh Medal Award, 58, 69 Shampoos, Acylated Amino Acids in, by H. W. Zussman and W. J. Lennon, 407 Silicone Compounds in Dermatology and Cosmetics, The Uses and Newer Applica- tions of the, by I. I. Lubowe, 19 Skin as a Community of Structures--Part I, The, by E. W. Powell, 118 Skin as a Community of Structures--Part II, The, by E. W. Powell, 276 Skin Care, Correlation Between Animal and Human Testing of Materials Used in, by Eugene F. Traub and Herbert J. Spoor, 200 Skin Geriatrics, Social and Economic As- pects of, by Peter Flesch, 377 Skin Physiology Following Continuous Use of Soaps and Detergents, Alterations in the, by Donald J. Birmingham, 3 Skin, The Anatomy and Histology of Aging, by Warren Andrew, 299 Skin, The Chemistry of the Aging, by Peter Flesch, 377 Skin, The Evaluation of Chemicals by Appli- cation to Animal, by L. W. Hazleton, 178 Skin, The Structural Proteins of Epidermis and Their Possible Relation to Aging, by C. Carruthers, D. L. Woernley, A. Baum- ler, and H. Shorts, 324 Skin of Topical Agents, Laboratory Testing of the Effects Upon the, by Peter Flesch, 161 Soaps and Detergents, Alterations in the Skin Physiology Following Continuous Use of, by Donald J. Birmingham, 3 Social and Economic Aspects of Skin Geri- atrics, by Edward Henderson, 382 Sodium Lauryl Sulfate-Lauryl Alcohol- Water System, Film Properties and Com- pound Formation in the, by Abraham Wilson, 392 Some Physical Chemical Properties of Stearic Acid, by C. C. Tillotson, 40 Some Uses and Limitations of Radioactive Isotopes in Cosmetic Chemistry--From a Dermatologist's Point of View, by Victor H. Witten, 399 Special Award, The, 215 Stability, Theory of Emulsion, by Harold L. Greenwald, 164 Stearic Acid, Some Physical Chemical Properties of, by C. C. Tillotson, 40 Structural Proteins of Epidermis and Their Possible Relation to Aging Skin, by C. Carruthers, D. L. Woernley, A. Baum- ler, and H. Shorts, 324 Structures--Part I, The Skin as a Com- munity of, by E. W. Powell, 118 Structures--Part II, The Skin as a Com- munity of, by E. W. Powell, 276 Topical Agents, Laboratory Testing of the Effects Upon the Skin of, by Peter Flesch, 161 Topical Uses of Several Antibiotics: Vehicles Employed, by William B. Baker, 313 Toward Emulsion Control, by Sydney Ross, 184 Test--Part I, Development of a Detergent, by W. B. Smith and A. Taylor, 96 Test--Part II, Development of a Detergent, by W. B. Smith and A. Taylor, 239 Testing of Materials Used in Skin Care, Correlation Between Animal and Human, by Eugene F. Traub and Herbert J. Spoor, 200 Theory of Emulsion Stability, by Harold L. Greenwald, 164 Tube, The Collapsible, by G. E. Holmes, 107 Uses and Newer Applications of the Silicone Compounds in Dermatology and Cos- metics, The, by I. I. Lubowe, 19 Wax and the Cosmetic Chemist, by L. Ivanovsky, 130 Wells, F. V., Second Honorary Member, British Society, 140 White Oils, by H. Paton, 245 X-ray Diffraction, The Polymorphism of Glycerides--An Application of, by E. S. Lutton, 26