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gretted that the revision by the translator has not been more drastic and satisfactory. The result is, in consequence, that some parts do not give a really modern presentation of the subject.
J. R.
PARTINGTON.
Chemische Technologie der Neuzeit. By OTTODAMMER AKD COLLABORATORS. Second enlarged edition in five volumes. Volume 11. Part ii. 27 x 19 cm.; xvi 888 pp. Stuttgart: Ferdinand Enke, 1933. Price: unbound, 93 M;bound, 98 XI. The present volume of this very comprehensive work deals entirely with metals: iron and steel, gold, platinum metals, aluminum, magnesium, calcium, alkali metals, beryllium, mischmetall, nickel and cobalt, silver, copper, tin, antimony, zinc, cadmium, thallium, arsenic, mercury, bismuth, lead, chromium, molybdenum, tungsten, vanadium, niobium, tantalum, titanium, uranium, manganese, rhenium, gallium, indium, and germanium. It will be seen that the rarer metals are included, but the treatment is sometimes rather brief; for example, only four and a half pages are devoted to vanadium, and only five, one a table of analyses of ores, to tungsten. The references to literature in these sections are sometimes rather scanty. The information on the magnesium and beryllium alloys is disappointingly brief. The commoner metals are more fully dealt with, one hundred and ninety-two pages being devoted to iron and steel, seventy-two to copper, and eighty-eight t o lead. The various contributors have made an attempt to deal adequately with the material in the space available and have taken good account of modern literature, including English and American, and patents. I n so far as a single volume can give a satisfactory treatment of such a wide range of subjects, the present work gives a comprehensive and able survey of the field. It will need supplementing by special monographs when full information on details is required. The book is well printed and illustrated and contains many table8 of numerical information, including the properties of the metals. J. R. PARTISGTON.
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C. KOCH. Cloth; 15 x 23 cm.; Practical hfethods of Biochemistry. By FREDERICK viii 280 pp.; 17 fig. Baltimore: William Wood and Company, 1934. Price:
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$2.25. This is a laboratory manual in physiological chemistry, with especial reference t o medical school aspects. The author has for many years been in charge of the work in physiological chemistry at the University of Chicago, and the present volume affords ample evidence that the experiments have been tried over and over again in class laboratories. The book is divided into three parts; I, The Chemistry of Cell Constituents, including chapters on carbohydrates, lipins, proteins, nucleoproteins and nucleic acids, and hydrogen-ion concentration; 11, The Chemistry of the Digestive Tract, with chapters on salivary digestion, gastric digestion, intestinal digestion and bile; and 111, The Blood and Urine, with chapters on blood and hemoglobin, the quantitative analysis of blood, the quantitative analysis of urine, and the chemical examination of urine in pathological conditions. The book contains an elaborate appendix of fifty-three pages in which explicit directions are given for the preparation of the various laboratory reagents. An adequate subject index closes the volume. In all, directions for two hundred and twenty-eight laboratory experiments are given. Most of these are for qualitative tests for various biochemical compounds. Numerous quantitative procedures are, however, included. Since the book is designed for a first course in medical biochemistry, but little use is made of physicochemical
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equipment or technics. This omission is the only thing that the revierver feels calls for criticism. Since living processes are so intimately bound up with problems of osmotic pressure, permeability, electrical conductivity, and colloid behavior in general, it would seem only just that medical students should be introduced to a few simple experiments which would serve to quicken their understanding of such phenomena. The reviewer knows of no better laboratory manual covering the field for which this text is intended. Ross AIICEN GORTNER. Many readers of This Journal will be interested in the following pamphlets published by Hermann et Cie., Paris. Each pamphlet contains a paper (including discussion) read a t the 1933 RBunion internationale de chimie physique. I. L’Effet Volta. By Emmanuel Dubois. 6 fr. 11. The Electrical Properties of Semi-conductors and Insulators. By bl. A. H. Wilson. 4 fr. 111. On Phase Boundary Potentials. By Eric Keightley Rideal. 4 fr. IV. Pile Metalliche. By 0 . Scarpa. 6 fr. V. Das elektrolytische Kristallwachstum. By M. Volmer. 4 fr. VI. Les l?lectrons dans les W t a u x . ProblSrmes Statiques. Magnetisme. By F. Bloch. 5 fr. T I I . Conductihilitk Glectrique des Isolants et des Semi-conducteurs. By A. F. Joffi.. 10 fr. T-111. Les Electrons dans les MBtaux du Point de Vue Ondulatoire. By Leon Brillouin. 9 fr. IX. Conductibilit6 Electrique et Thermique des PIIBtaux. By Leon Brillouin. 18 fr. X. Adsorption, Electro-reduction and Overpotential at the Dropping Mercury Cathode. By J. Heyrovsky. 12 fr. XI. P h h o m h e s Photoelectrochimiques. Action de la LumiBre sur le Potential ILIBtal-Solution. By RenB Audubert. 8 fr. X I I . Les Collofdes et la Couche de Passage. By A. Gillet and N. Andrault de Langeron. 10 fr. XIII. Sur le Potentiel MBtal-Solution dans les Dissolvants AZltres que 1’Eau. By Paul Dutoit. 4 fr. XIV. L’Effet filectro-thermique Homoghe. By Carl Benedicks. 8 fr. XV. Die Theorie der thermoelektrischen Effekte. Legierungen, Unvollstaendige Ketten, Benedickseffekt. By Lothar Nordheim. 6 fr. XVI. La ru’otion de Corpuscules et d’Atomes. By Paul Langevin. 12 fr. F. H. MACDOUGALL. The Manujucture of Soda. By TE-PANG Hoc. American Chemical Society Monograph KO.65. 365 pp. New York: The Chemical Catalog Co., Inc. Price: $8.00, Dr. Hou has undoubtedly produced the first authoritative treatise on the manufacture of soda to appear in this country. The first three chapters, which are devoted t o the historical development of the alkali industry, are of great interest especially to students of chemical engineering economics. They illustrate the peculiar interweaving of interests in the chemical field and the economic forces affecting the rise and downfall of a great industry. Since this is an A. C. S. monograph, it does seem unfortunate to the reviewer that more is not given of the history of the development
