REGENT BOOKS PHYSICALCHEMISTRY.AN INTRODUCTION. E. A . Moelwyn- organic preparations and test-tube reactions, this manual inHughes, DSc. (Liverpool), D.Phil. (Oxon.), Ph.D. (Cantah.), cludes eight exercises dealing with the separation and purification of oreanic comoounds and also the oualitative identification Demonstrator of Physical Chemistry in the University of of rlr.rncnt.;. T h e lair two rxrrrises invdur the identification of Cambridge, Messel Research Fellow of the Royal Sxiety. simplc organic n m q m m l r by the u w a l ~lunlirnrweclrmcntar]. First Edition. University Press. Cambridge; The Macmillan nnalysic, soluhiliry behavior, and tht. prrprrilrion of smple dcCo., New York City, 1940. viii 660 pp. 130figs. 18 X rivatives. 26.5 cm. $9.50. This manual is not merely another intrusion into an already In the introduction the author says, "I have given what in, I crowded field. The exercises are designed to enable the insubmit, a clear account of the basic principles of modern physical structor t o handle a large number of students with a minimum chemistry and have applied them t o a number of simple problems of supervisory effort, allowing a major portion of his time for oral so arranged as t o form a logical introduction t o the specific treatquiz and laboratory supervision. The time required for notement of the most relevant of current physico-chemical themes. To embrace all these themes within a single book is impossible. hook correction is reduced to a minimum bv well-arraneed blanks and reports that sturlrnt5 cornplrte and lcavr with the instructor Facts come first." at the end of each laboratory period. A spiral binding is used jo The first six chapters of the book are devoted to "the general that thc manual lie.; flat on the desk. This mmual not only principles of physical chemistry" with the chapter headings: contains a wise choice of experimental material but also enough ( I ) Experimental Foundations of the Kinetic Molecular Theory, unique items of organization to command attention and considera(11) Mathematical Formulation of the Kinetic Molecular Theory, tion, especially from any busy instructor faced with the necessity (111) Experimental Foundations of the Quantum Theory, (IV) Mathematical Formulation of the Quantum Theory, (V) The of teaching large numbers of students with a minimum of effort. RALPHE. DUNBAR Chemical Elements, (VI) Chemical Thermodynamics. NORTA DAKOTA A ~ K C ~ T U COLLBGB ~ A L This is followed with applications to: (VII) Monatomic F ~ a o o Noerr , D~aom Molecules. (VIII) Diatomic Molecules, (IX) Triatomic Molecules, (X) Chemical Equilibria in the Homogeneous Gas Phase, ELEMENTARY QuALrTarIvE ANA~vsrsFOR COLLEGESTUDENTS. (XI) Chemical Kinetics in the Homogeneous Gas Phase, and J. H. Rccdy, University of Illinois. Third Edition. Mc(XII) Crystal Chemistry. ' Graw-Hill Book Company, Inc., New York City, 1941. x+ The author states further in his introduction, "All theorems 156 pp. 16 figs. 15 X 21 em. $1.50. are derived; no proof is taken for granted." This is the author's I n the third edition of thir very excellent hook, the same genplan. The execution of this plan seems to the reviewer to be eral approach has been used as in the first two editions. The good, in general. I t is a book that is intermediate inscope becontents have been divided into four parts as follows: Part Itween the more elementary physical chemistry texts and the Preliminary laboratory work; Part II-Detection of the ions specialized hooks most useful to the theoretical chemist. Many of the metals; Part 111-Detection of the ions of the non-metals; subjects discussed in elementary texts are omitted to make room Part IV-Systematic analysis. The laboratory directions have for the theory of others. The values quoted for the universal been written so that semimicro procedures can be followed. Orconstants are not the most recent ones. Hamilton's equations ganic reagents have been deliberately avoided. Changes in the are used with little more than an indication of where the proof directions for the tin group analysis and for the analysis of the is to be found. alkali group are interesting i b d appear to represent improveMost of the material can be found more extensively treated in other bwks, which, however, may not be in the libraries of most ment. The author's stated purpose has been to make the book conchemkts. The treatment of reaction kinetics is necessarilv sistent with the student's ability and previous training. The compressed but goes as fsr in presenting modern developments as could reasonably be expected. The printing and general form book does not consider difficult combinations beyond the ability of the elementary student. I t is not a reference book but a of the book is excellent laboratory manual. Its purpose is"+arly that of teaching the chemistry of the common cations anh anions, not the teaching of physical chemistry. The author is to be commended for having achieved this purpose in an outstanding manner. LYMAN J. WOOD LAB~UTORY OUTLINESAND NOTEBOOK FOR ORGANIC CHEMST. LDUlS UNrVBPSITY ISTKY. C. E. Boord and W. R. Brode, Professors of Organic ST. LOUIS, MISSOURI Chemistry, The Ohio State University; and R. G. Bmscrt. Assistant Professor of Chemistry, Ohio Wesleyan University. A DICTIONARY O P METALSAND T ~ I ALLOYS. R F. J. Camllz. 241 John Wiley and Sons, Inc., New York City, 1940. ix Editor. Chemical Publishing Co., Inc., New York City, 1940. pp. 28 figs. 21 X 27 cm. $1.75. .245 pp. 14 X 22 cm. $3.00. "The lecture and laboratory work in a well-rounded course in This purports to be the first alphabetically arranged DIGelementary organic chemistry should be kept closely parallel or TIONARY OF METALS AND THEIRALLOYS yet published. I t concoincident." to quote from the preface of thir recent organic tains descriptions of the metals, their composition and characlaboratory manual. As a result there has been a noticeable teristics, with special sections on plating. polishing, hardening. increase in the number of exercises dealing with aliphatic comand tempering, metal spraying, rust-proofing, chemical coloring, pounds, and a corresponding decrease in the number dealing with and useful tables. aromatic compounds. This trend corresponds to the growing interest, particularly in the American chemical industry, in aliTHE MERCKMANUAL OP THERAPEUTICS AND MATERIA MEDICA. phatic organic chemistry. Exercises on structure and nomenSeventh Edition. Merck and Co., Inc., Rahway, New Jersey. clature provide for the first time individual laboratory experi1940. 1436 pp. 10.5 X 17 cm. $2.00. ments which evolve the ideas of homology and isomerism. TEE MERCK MANUAL,intended for physicians, dentists. The manual is designed far the usual thirty-six weeks' course pharmacists, chemists, nurses, and those in allied professions, with two laboratory periods per week, or three periods per week contains 256 chapten, each approved by a specialist in his refor twenty-four weeks under the "quarter" plan. The manual spective field, with a comprehensive cross reference index for might be successfully used in shorter courses by deleting a poraid in finding the information available. tion of the sixty-nine exercises. Besides the usual selection of
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