So - St -- 58 -- Sorbic Acid and Other Preservatives on Organism Growth in Typical Non- ionic Emulsified Commercial Cosme- tics, The Effect of, by R. Donald Charles and Phyllis J. Carter, 10, 383. Sorption of Amino Acids from Sham- poos on to Hair, The, J. H. Herd, and R. H. Marriott, 10, 272. Special Award, The, 6, 215. Spectrophotometric Quality and Stabi- lity Criterion for Medicinal Liquid Paraffin, A, by Robert Schnurmann. 7, 1. Spectrophotometry in the Analysis of Cosmetic Products, by G. Robert Clark, 2, 290. Spectroscopy and its Application to Cosmetic Chemistry, Infrared, by R. B. Bernstein, 3, 265. Spectroscopy in Studing The Compo- sition of Essential Oils, The Use of Infrared, Charles. L. Teitelbaum, 9, 377. Spectroscopy of Essential Oils, Infrared, by A. K. Pressnell, 4, 101. Spermaceti, The Analysis of Mixtures of Hydrocarbons, Beeswax, and, by S. H. Newburger, 1, 95. Spray Formation, Thermodynamics of, by J. Louis York, 7, 204. Spray Pattern, How to Formulate Aero- sols to Obtain the Desired, Maria V. Wiener, 9, 289. Spray Patterns from Pressurized Packs, Method for Determining, K. Dixon, 10, 220. Spreading Index and Acid Number of the Human Skin Surface Lipids, by Franz Herrmann, W. M. Coon, L. Harber, R. Scher, and L. Mandol. 10, 88. Stability Criterion for Medicinal Liquid Paraffin, A Spectrophotometric Qua- lity and, Robert Schnurmann, 7, 1. Stability of Cosmetic Emulsions, by William Colburn, 2, 193. Stability Tests on Lipstick, Face Pow- der and Make-up Items, by H. Heinrich, 2, 303. Stability Testing of Hair Preparations, by G. S. Kass, 3, 181. Stability Testing of Low-Pressure Aero- sols, by Eugene L. Rose, 2, 315. Stabiity, Theory of Emulsion, by Harold L. Greenwald, 6, 164. Static Charge on Hair, Measurement of, by Clarice M. Mills., Virginia C. Ester and Hyman Henkin, 7, 466. Statistical Methods in the Cosmetic In- dustry: An Introduction, by A. W. Middleton, 3, 232. Statistical Methods. in the Cosmetic In- dustry, II, by A. W. Middleton, 4, 225. Statistical Methods in the Cosmetic In- dustry, III, by A. W. Middleton, 5, 159. Stearic Acid, Some Physical Chemical Properties of, by C. C. Tillotson, 6, 40. Storage Tests, Accelerated, F. Grossmith, 5, 257. Stratum Corneum, The Effect of Cos- metic Emulsions on, by Donald H. Powers and Charles Fox, 10, 109. Stripped and Unstripped Hu- man Skin, Lipid Studies. on, by R. Scher, F. Herrmann, W. M. Coon, and L. Mandol, 10, 187. Structural Proteins of Epidermis and Their Possible Relation to Aging Skin, by C. Carruthers, D. L. Woernley, A. Baumler, and H. Shorts, 6, 324. Structure of Human Epidermis as Re- vealed by the Electron Microscope, The Fine, by Cecily C. Selby, 7, 584. Structure of Skin, The, G. H. Bourne, 8, 2. Structures- Part I, The Skin as a Com- munity of, E. W. Powell, 6, 118. Structures, Part II, The Skin as a Com- munity of, by E. W. Powell, 6, 276. Studies on Enzymes in the Skin: Their Use as a Research Tool, Robert D. Griesemer, 9, 148.

-- 59 -- St - St Studies on Perspiration, by Robert Brun, !0, 70. Studies on the Permeability of the Skin to Mercury, by Edwin P. Laug, 1, 81. Study of the Deodorizing Properties of Chlorophyll in Dentifrices, A., by Louis C. Barail, 3, 1. Study of the Mechanisms and Eva- luation of Antiseptic Actions, A., by Herbert L. Davis, 2, 295. Study of the Swelling of Hair in Mixed Aqueous Solvents, A., by E. I. Valko and Gabriel Barnett, 3, 108. Study of the Swelling of Hair in Thio- glycolate Solutions and Its Reswell- ing, A, by D. H. Powers and G. Bar- nett, 4, 92. Sugar Esters in Cosmetics, The, by Lloyd Osipow, 7, 249. Sulfide as. an Antidandruff Agent, Se- lenium, Edward J. Matson, 7, 459. Sulfur Compounds in Cold Waves, The Evaluation of Some, Robert E. Saute, Glen J. Sperandio, and H. George DeKay, 4, 270. Sulphates, The Evaluation of Commer- cial Alkyl, R. H. Crockett, 6, 124. Sulphathiazole from Cold Cream Type Ointment Bases, The Effect of Va- riation of the Water and Oil Ratio on the Diffusion Rate of, by Aubert Coran and C. Lee Huyck, 7, 20. Sun Screens, Design of Cosmetic, by Saul I. Kreps, 10, 98. Sunscreens, Transmission Spectra of Representative, by Pearl Pernich and Marian Gallagher, 2, 92. Surface-Active Agents by HLB, Classi- fication of, by William C. Griffin, 1, 311. Surface-Active Agents, Cationic, P. A. Lincoln, 8, 222. Surface-Active Agents in Cosmetics, by Harry C. Speel, 1, 346. Surface-Active Agents in the Cosmetic Industry, by Foster Dee Snell and Irving Reich, 1, 336. Surfactants, Calculation of HLB Values of Nonionic, by William C. Griffin, 5, 249. Surfactants: Fatty Amino Acid Deriv- atives, A New Family of Amphoteric, D. L. Andersen and A. F. Freema n, 8, 277. Susoending Ability, The Rheology of Natural and Synthetic Hydrophilic Polymer Solutions as Related to, by R. F. Meyer and L. Cohen, 10, 143. Sweat in the Production of Axillary Odor, The Role of Apocrine, Walter B. Shelley, 7, 171. Sweating, The Clinical Significance of Disturbances in, by Marion B. Sulzberger, 7, 175. Swelling Studies of Single Human Hair Fibers, by Milton E. Eckstrom, Jr., 2, 244. Symposium on Hair, 3. A Photomicrographic Technique for Studying Hair Soils and Detergen- cy, J. C. Ervin, 81. Experimental Loss of Hair, 84. The Etiology of Infectious. Dandruff, George F. Reddish, 90. Recent Developments in the Struc- ture of Keratin Fibers, Richard Steele, 99. A Study of the Swelling of Hair in Mixed Aqueous Solvents, E. I. Valko and Gabriel Barnett, 108. Symposium on Test Methods, 2. Introduction to the Testing of Radio- isotopes in Cosmetics, Louis C. Barail and J. J. Pescatore, 277. A Method for Testing the Degerming Efficiency of Hexachlorophene Soaps., Arthur R. Cade, 281. Spectrophotometry in the Analysis of Cosmetic Products, G. Robert Clark, 290. A Study of the Mechanisms and Eva- luation of Antiseptic Actions, Herbert L. Davis, 295. Stability Tests on Lipstick, Face Pow- der and Make-Up Items, H. Heinrich, 303.