-- 27 -- Bo - Bo Book Reviews, 2, 275. Physical Methods in Chemical Ana- lysis, Vol. I. The Electron Microscope. White Mineral Oil and Petrolatum. Book Reviews, 2, 351. Beeswax, Parfumerie et Cosm6tologie. Perfume Thru the Ages. Handbook of Dangerous Materials. Book Reviews, 3, 78. Specific Methods of Analysis. Papain. The Manufacture of Intermediates and Dyes. Formulaire de Parfumerie. Book Reviews, 3, 155. Chemical Trades Names and Com- mercial Synonyms. The Influence of Hormones on En- zymes. Statistical Methods for Chemists. Book Reviews, 3, 325. Paper Chromatography - A Labora- tory Manual. Viruses as Causative Agents in Can- cer, Vol. 54. Book Reviews, 4, 63. The Scalp in Health and Disease. Soluble Silicate's, Their Properties and Uses. Glaas Detergents•, What They Are and What they Do. Technical and Commercial Diction- ary, Organic Chemistry. Encyclopedia of Surface Active Agents. Encyclopedia of Chemical Reactions. Color in Business, Science and In- dustry. Textile Chemicals and Auxiliaries. Book Reviews, 4, 131. Microwave Spectroscopy. The Lipids, Vol. I. Properties of the Principal Fats, Fatty Oils, Waxes, Fatty Acids and Their Salts. Laboratory Design. Book Reviews, 4, 307. Synthetic Organic Chemistry. The Furans. Book Reviews, 5, 79. Lipid Metabolism. The Hair and Scalp. Detergency Evaluation and Testing. Die Seife Und Ihre Herstellung. Conductimetric Analysis at Radio- Frequency. A Condensed Chemical Dictionary. Colloid Science, Vol. I and Vol. lI. Radioisotopes in Industry. Ultraviolet Radiation. Book Reviews, 5, 147. Dictionary of Organic Compounds. Formulary of Perfumery and of Cos- metology. Applied Mycology and Bacteriology. Quantitatives Pharmaceutical Che- mistry. Instrumental Analysis. Toxicity of Industrial Organic Sol- vents. Book Reviews, 5, 318. Polyvinylpyrrolidone. Handbook of Cosmetic Materials. Organic Analysis, Vol. I. Soap Manufacture, Vol. I. Comprehensive Inorganic Chemistry, Vol. I. and Vol. II. Condensed Pyridazine and Pyrazine Rings. Successful Commercial Chemical De- velopment. Wax Encyclopedia. A Formulary for External Therapy of the Skin. Book Reviews, 6, 63. Organic Peroxides. Antiseptics, Disinfectants, Fungicides and Chemical and Physical Steri- lization. Ion Exchange Resins in Medicine and Biological Research, Vol. 57, Art. 3. Pr6cis de Cosm6tologie, Vol. IV. Book Reviews, 6, 160. The Structures and Reactions of fhe Aromatic Compounds.

Bo - Bo -- 28 -- Book Reviews, 6, 226. Principles of Emulsion Technology. Organic Chemistry, Volumes III and IV. Skin Therapeutics. Diseases of the Skin. The Application of Results of Re- search. Micro and Semimicro Methods. Book Reviews, 6, 419. Investigation of Rates and Mecha- nisms of Reaction. A French-English Dictionary for Che- mists. Statistical Methods for Chemical Ex- perimentation. Industrial Fermentations, Vol. I. Das Chlorophyll in Medizin und Kosmetik. Modern Cosmeticology, Vol. I. Industrial Detergency. The Analysis of Drugs and Chemicals. Organic Solvents. Comprehensive Inorganic Chemistry, Vol. III. Textbook of Organic Chemistry. The Science of Color. Clayton's Theory of Emulsions and Their Technical Treatment. Textilhilfsmittel und Waschrohstoffe. The Lipids, Vol. II. General Chemistry, 2nd Ed. Pocket Book of Chemical Technology. Solvents Manual. Practical Physiological Chemistry. Electrometric pH Determinations, Theory and Practice. Book Reviews, 7, 220. The Quantitative Analysis of Drugs. Nomography and Empirical Equa- tions. Industrial Chemistry, Part I. Hawley's Technical Speller. Antibiotics. Introduction to the Chemistry of Enzymes. Comprehensive Inorganic Chemistry. Book Reviews, 7, 332. Chemical Pilot Plant Practice, Vol. I. Physiology and Biochemistry of the Skin. Packaging Engineering. Wool, Its Chemistry and Physics. The Deterioration of Materials. Micro and Semimicro Methods. Book Reviews,, 7, 503. The Practice of Modern Perfumery. The Formulation of Cosmetics and Cosmetic Specialties. Atomic Energy Research at Harwell. Reagents Chemicals and Standards. Paper Chromatography and Paper Electrophoresis. Organic Chemistry Simplified. Organic Synthesis, Vol. III. Buch der Aromen. The Life of Bacteria. Mechanism of Organic Chemical Reactions. Applied X-Rays. Der Schweiss. The Science and Art of Perfumery. Book Reviews, 8, 55. The Chemical Constitution of Natural Fats. Das Grosse Rezeptbuch der Haut- Und Korperpflegemittel. Book Reviews, 8, 111. Perspectives in Organic Chemistry. The Manufacture of Glycerol, Vol. III. Introduction to Chemical Pharmaco- logy. Chemical Business Handbook. Book Reviews, 8, 183. Chemistry of Petrochemicals. Abr•g6 de Cosm6tologie Pratique. Basic Facts of General Chemistry. The Chemistry of Tanning Processes. The Chemistry and Reactivity of Collagen. Book Reviews, 8, 340. Biochemical Problems of Lipids, 340. Wool Wax Chemistry and Techno- logy, 340. Chemistry and Technology of Waxes, The, 341. Kosmetik Huete, 341. Book Reviews, 8, 407. Artzliche Kosmetik, 407. International Encyclopedia of Cosme- tic Material Trade Names, 407. Schimmel Briefs, Vol. lI, 407.