CHICAGO CHAPTER NEWS 421 of fair to good deodorant bars. An alternative method of analysis is the regression analysis of logarithm of final count on logarithm of initial count, and calculation of per cent reduction from the regression line for a standard initial count representing the mean of the population. This method allows realistic evaluation of a deodorant bar on small groups of' subjects regardless of the level of initial counts. REFERENCES (1) Cade, A. R., Soap Sanit. Chemicals, 26, 35 (1950). (2) Price, P. B., 5 t. Infect. Diseases, 63, 301 (1938). (3) Roman, D. P., Barnett, E. H., and Balske, R. J., Soap Chem. Specialties, 34, 35 t195g). (4) Pohle, W. C., and Stuart, 1.. S., 5 t. Infect. Diseases, 67, 275 (1940). CHICAGO CHAPTER NEWS On Tuesday evening, October 13, 1959, the Chicago Chapter of the SociETY oF COSMETro C•M•sxs met at Henrici's Restaurant in the Merchandise Mart. The principal speaker was Ken Klausher, of Chemical Technical Service, General Chemical Corporation. The topic discussed by Mr. Klausher was of considerable interest to many cosmetic chemists, due to the ever-expanding range of products being adapted for aerosol packag- ing. The title of Mr. Klausher's paper "A Preliminary Study of Corrosion Inhibitors for Use in Aersols." The speaker was graduated from New York University, and did graduate study at Brooklyn Polytechnic Institute. Before coming to General Chemical Corporation in 1957, he was employed by the Colgate-Palmolive Company.

CHICAGO CHAPTER NEWS 421 of fair to good deodorant bars. An alternative method of analysis is the regression analysis of logarithm of final count on logarithm of initial count, and calculation of per cent reduction from the regression line for a standard initial count representing the mean of the population. This method allows realistic evaluation of a deodorant bar on small groups of' subjects regardless of the level of initial counts. REFERENCES (1) Cade, A. R., Soap Sanit. Chemicals, 26, 35 (1950). (2) Price, P. B., 5 t. Infect. Diseases, 63, 301 (1938). (3) Roman, D. P., Barnett, E. H., and Balske, R. J., Soap Chem. Specialties, 34, 35 t195g). (4) Pohle, W. C., and Stuart, 1.. S., 5 t. Infect. Diseases, 67, 275 (1940). CHICAGO CHAPTER NEWS On Tuesday evening, October 13, 1959, the Chicago Chapter of the SociETY oF COSMETro C•M•sxs met at Henrici's Restaurant in the Merchandise Mart. The principal speaker was Ken Klausher, of Chemical Technical Service, General Chemical Corporation. The topic discussed by Mr. Klausher was of considerable interest to many cosmetic chemists, due to the ever-expanding range of products being adapted for aerosol packag- ing. The title of Mr. Klausher's paper "A Preliminary Study of Corrosion Inhibitors for Use in Aersols." The speaker was graduated from New York University, and did graduate study at Brooklyn Polytechnic Institute. Before coming to General Chemical Corporation in 1957, he was employed by the Colgate-Palmolive Company.