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INDEX TO VOLUME 23 AUTHOR INDEX Anderson, D. W., Jr., and Ayers, Marion. Microbiological profile of selected cos- metic products with and without pre- servatives after use, 863 Ayer, R. P., and Thompson, J. A. Scanning electron microscopy and other new ap- proaches to hair spray evaluation, 617 Ayers, Marion. See Anderson, D. W., Jr. Baddiel, C.B. See Park, A. C. Balagot, R. SeeEcanow, B. Bankert, R. A., Espy, H. H., Grassie, Maria, and Schertz, G. L. The development of new polyamide resins for easy-to- manage hair, 321 Bean, H. S. Preservatives for pharmaceu- ticals, 703 Beyer, H. SeeErlemann, G. A. Bielick•, Tibor. See Padberg, G/inter. Bohac, Stanley. Amino alcohols for neu- tralization of carboxylic resin, 125 Bolomey, R. A., and Greenstein, L. M. Pearlescence: The optical behavior of "white" nacreous pigments as an in- terference effect, 77 Breuer, M.M. The binding of small mole- cules to hair. I. The hydration of hair and the effect of water on the mechanical properties of hair, 447 Britt, A.D. See Shah, M. J. Brown, A.C. See Swift, J. A. Brown, D. W.C. See Marzulli, F. N. Bruch, C.W. See Evans, J. R. Bruins, C. H.P. See ten Berge, C. D. M. Burton, J.L. Factors affecting the rate of sebum excretion in man, 241 Champion, M.H. See Paulus, G. L. Cooke, M. A. The problem of industrial skin cleansing, 227 Corbett, J. F. The autoxidation of p- phenylenediamine, 683 Cumpelik, B.M. Analytical procedures and evaluation of sunscreens, 333 Davies, R. E., Harper, K. H., and Kynoch, S. R. Inter-species variation in dermal reactivity, 371 Davis, J.G. Fundamentals of microbiology in relation to cleansing in the cosmetics industry, 45 Ebling, F. J. Does the pituitary gland af- fect the secretion of sebum, 393 Ecanow, B., Balagot, R., Gold, B., and Ecanow, C. Emulsion terminology (letter to editor), 681 Ecanow, B., Balagot, R., Gold, B., and Ecanow, C. Properties and vocabulary of aggregated states (note), 679 Ecanow, C. SeeEcanow, B. Eriemann, G. A., and Beyer, H. Alkali solubility as a criterion of changes in the physical and chemical properties of human hair, 791 Espy, H.H. SeeBankert, R. A. Evans, J. R., Gilden, M. M., and Bruch, C. W. Methods for isolating and identi- fying objectionable gram-negative bac- teria and endotoxins from topical prod- ucts, 549 Evans, J.R. See Marzulli, F. N. Faber, J.S. See ten Berge, C. D. M. Fairchild, C.M. See Kabacoff, B. L. Flemming, P. See Gloxhuber, Christian. Freytag, Hans. The significance of perfume within the adaptation model of cos- metics, 811 Fukushima, Shoji. See Mitsui, Takeo. Gerstein, Terry. Clear zinc pyrithione preparations, 99 Gilden, M.M. See Evans, J. R. Gloxhuber, Christian, Potokar, M., Reese, G., and Fiemining, P. Toxicological examination of direct hair dyes, 259 Gold, B. SeeEcanow, B. Grassie, Maria. SeeBankert, R. A. Grasso, P., and Lansdown, A. B. G. Methods of measuring, and factors af- fecting, percutaneous absorption, 481 Greenstein, L.M. See Bolomey, R. A. Haltenberger, P.W. See Redmond, N. P. Harper, K.H. See Davies, R. E. Hoch, S.G. See Kraft, E. R. Horvfith, Istvfin. See Kiss, Gyula. Humphries, W. T., Miller, D. L., and Wild- nauer, R. H. The thermomechanical analysis of natural and chemically modified human hair, 359 Ippen, Hellmut. On natural and artificial skin odors, 831 Jungermann, Eric, and Silberman, H. C. The absorption and desorption of cos- metic chemicals on skin, 139 913