GERMAN SOCIETY OF COSMETIC CHEMISTS 339 •owed in the afternoon. A cocktail party and banquet was given by the •. F. C. for all guests at this three-day symposium. Papers were presented by Mr. Sam Cohen, Dr. Irwin I. Lubowe and Mr. M. G. deNavarre, representing the U.S. Society. Doctors Gohlke, Juon, Baberay, Stiras and Mr. J. Morell of the French Society also spoke at the meetings held at the Centre National du Commerce Exterieur. Final ar- rangements from the Secretary were not available as this issue went to press. GERMAN SOCIETY OF COSMETIC CHEMISTS WORD has just reached the JOURNAl. from Dr. Herbert Neugebauer •announcing that the German Society of Cosmetic Chemists was formed •on August 31st with ten signing members. The founding meeting was Iheld at the Schloss-Hotel Wilhelmshohe, Kassel, Germany. The officers of the Society and the names of the members will be pub- Ilished in a future issue.

BOOK REVIEWS BIOCHEMICAL PRO}•LEMS OF L•PtDS, edited by G. Popj•k and E. Le Breton. Interscience Publishers, Inc., New York 1, N.Y. 1956. 510 pages, 61/4 X l0 inches, illus- trated and indexed. Price $10.75. This book is the printed proceed- ings of the Second International Conference on the Biochemical Problems of Lipids held at Ghent, Belgium, in 1955. The eighty papers read are ar- ranged into four sections. The fields covered include those con- cerned with physical and chemical properties, methods of separation, structure, metabolism, biosynthesis enzyme systems, phospholipids, transport and miscellaneous prob- lems. A number of interesting things ap- pear in this book. Highly unsat- urated fatty acids are still called Vitamin F by contributor de Iongh. Another on the effect of unsaturated fatty acids on skin by Basnayake and Sinclair and finally a contribu- tion by Setala, el aL on co-carcino- genic lipids. This last paper dis- cusses the role of lipophilic-hydro- philic substances, nonionic, anionic and cationic on their effect as co- carcinogens. The addresses appear in several languages. The book is indexed. If you are interested in the prob- lems connected with fat technology, this book will be useful reading.-- M. G. DEN^V^RRE. WOOL WAX, CHEMISTRY AND TECH- •OLOCY, by E. V. Truter. Inter- science Publishers, Inc., New Yor14 1, N.Y. 1956. 380 pages, 6 XI 98/4 in., illustrated and indexedl Price $8.75. This very comprehensive book on wool wax (lanolin) starts with the fleece content, covers isolation, re4 fining, the chemistry and uses. A chapter of 26 pages on "Somo Properties of Emulsions" though first seeming out of place, actually] explains how the acids, alcohols andl esters of lanolin affect emulsifying I power and stability. It is interest-I ing to note that 7-oxycholesteroll has a water number of 320 (com-• pared to 650 for the mixed alcohols),l resulting in emulsions of poor sta-• bility. It is further interesting to learn l that while there are three basic l methods of wool wax removal from fibers, scouring with soap and water accounts for 99 per cent of the world's wool processing, resulting in wool wax and lanolin. This reviewer does not feel that the chapter on lanolin saponification is as complete as it could be. The chapter on the isolation of cholesterol almost seems like a part of the previous chapter. The main fault with this book is that it is strongly British in its coverage. More could be written on many facets of the book that would include work from other countries. Australian, German and U.S. developments could be better covered. It is granted that there is probably more wool washed and wool wax produced as a result in 340