Chemistry Guide and Laboratory Exercises, with ... - ACS Publications

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of Microscopy," and "Living Light" appear as the more scholarly, while "Tooth Truths" and "Famous Finds by Pharmacists" will appeal more to the highachoal student's delight in the Ripley "Believe It or Not" facts. There are serious typographical errors on pages 86, 114, and 198. More illustrative material would add to the attractiveness of the volume t o the layman, but as long as the price of one dollar is held, it will be impossible to expand in this direction. F V I I M I N UNIVBISITY JOHN R. SAMPEY G a s s a v r ~Somn ~ ~ , CAROLINA

fifth of the book an excellent outline is given of what is known and conjectured by leading investigators about the physiology of the lipids in both animals and plants. There are more typographical errors than usual in a reference text, but these do not comprise a serious factor in the value of the monograph. There is no index, but the table of contents is given in sufficient detail t o serve this purpose fairly satisfactorily for an advanced student. The mimeoprinting an one side of each page only is clear and neatly arranged. T X ~ U~rvansrrvo~ P r r r s a u a o w C. G. KING PrrTSBUPICH, PBNNSYLV*NI*

CHEXISTRYGUIDE AND LABORATORY EXERCISES, with Accom- DOCTORAL BY AMERICAN UNIVERSIDISSERTATIONS ACCEPTED panying Tests. Martin V. M&ll, Lorain High School, Lorain, n s s . 1934-1935. Donald B. Gilchrist. Editor. The H. W. Ohio, and G. M. Bradbury, Montclair High School, Montclair, Wilson Campany, 950-72 University kve., New York City. N. J. Revised edition of CHEMISTRY WORKBOOK AND LABO1935. 102 pp. Paper, $1.00. EATORY GUIDE by the same authors. Lyons and Carnahan, This is the second of these annual lists, compiled lor the NnChicago, 1935. ix 374 pp., incl. appendix. 31 figs. 19 X tionnl Research Cuur~ciland the American Cuunril of Learned 26.5 cm. detachable punched. $1.00. Sucktier, by the Association of Kesrarch Lihrarirc; Donald R. This workbook and laboratory guide is definitely organized Gilchrist, editor. on the unit basis. The sixteen units treated are: The World, No list of similar scope has previously appeared for American Air, Water, Formulas, Ions, Equations, Sulfur, Halogens, Nitro- dissertations, although complete lists for French and German gen Family. Colloids. Carbon, Organic Chemistry, Metallurgy, university dissertations have been published annually for many Useful Compounds, Aluminum and Iron, and Other Metals. years. Each unit contains (1) an illustrated overview, (2) study outline Of the many dissertations accepted each year only about oneand assignments, including time allotment, (3) several problems, third ever appear in print. Also universities now make it an (a) reviewing known facts, (b) illustrative experiments, (4) almost universal practice to file full manuscript theses in duplisummary review, (5) suggested projects, (6) additional topics for cate, and t o make copies available through inter-library loan. discussion, (7) topics for honor reading and reports. Far these reasons this publication is a necessary one. The foreword by Prof. B. S. Hopkins of the University of IlliI n form, the list is very similar to, and continues, the annual nois states that this edition "retains all of the tested features of list in the field of science, issued since 1920 by the National the earlier chemical workbook." Cautions are conspicuously Research Council. I t s scope has been broadened to cover all printed. The pupil is insistently reminded to keep the problem fields of study; and that there may be no break in the statistical before him. Emphasis is placed on learning by doing in the record, the dissertations in the field of science have been classified laboratory. in the same subiect m o u ~ used s in the N.R.C. series. those for The laboratory directions are clearly and concisely stated. other fields beine selected an much basis. ..--~ the - same -~~~ ~ ~ ~ ~~ ~ ~ N o elaborate apparatus is required for them. The quantitative For greater convenience, the list bas been arranged in s e m experiments are well chosen. Sixty-five experiments serve the main divisions: Philosophy, Religion, Earth sciences, Biological needs of either college preparatory or general classes in chemis- sciences, Social sciences, Literature, and Art. While the arrangement is an arbitrary one, it follows in a general way the organizatry. The exercises give the pupils ample opportunity t o drill on tion of American universities into divisions and departments. problems, formulas, and principles. Since many of the exercises and the finding of material is further facilitated by a general are objective, the checking need not consume too much of the subject cross-index and an author index. When theses appear instructor's time. in print, mention of this fact is made also. The general make-up of the book is excellent, and i t can he Each annual number contains, as supplementary material, made to lie flat on the desk top when opened. The size of type records of previous theses lists, annual lists of doctoral dissertaof subscript numbers in the formulas might be made larger t o save tions in progress, statistical tables showing doctorates in science eyestrain. according to subject, and distribution of doctorates by university Oxidation-reduction reactions are considered in terms of by subject. There is also a table showing the present practice electron transfer. Electron transfer is not so extensively ap- in all universities whose theses are listed, as t o the publication and plied to replacement, ionization, or electrolytic cells. Double loaning of their own dissertations. replacement reactions and those of neutralization are considered in the conventional manner, THEC R A C ~ N ART G IN 1934. U. 0.P. Booklet NO. 165. Gustev The book is designed to supplement any intmdnctory chemisEgloff and Emma E. Crandel. Universal Oil Products Co., try textbook. It is full of interest-getting devices. The Guide 310 S. Michigan Ave., Chicago, Ill. 196 pp. 15 X 23 cm. is a valuable aid t o both .DUD^^ . and teacher. The wide use of the This report covers publications from December 1, 1933, t o previous edition forecasts a n w e n more extended m e of the im- January 1, 1935. The table of contents is as follows: proved volume. It should be cxrfulls considered by all t a c h 1-Intradnction crs of introductory chemistry. I;! ~ E R TC. W e ~ v m II-Ststns of Cracking III-Economics of Cracking IV-Cracking Outside the United States V-The Cracking Reaction THRI31ocrrrlr1smvOP T I I B l . w l n s . Henry R. Rd1. Cniversity VI-Liquid Vapor Phase Cracking of Minnrwta. Rurges~Publishing Company, Minneapolis. VII-Vapor-Phase Cracking hlinn., 1935. v 127 pp. 17 figs. 21 X 27 cm. Nimeoprint. VIII-Combination Liquid-Vapor and Vapor-Phase Cracking $3 25. IX-Cracking with Oxidation X-Electrical Cracking This book represents the best concise and up-to-date reference XI-Combination of Operation on the lipids which is available. The author has compiled in XII-Combination Cracking and Treating good form the most significant data available concerning the XIII-Treating Cracking Products physical and organic chemistry of the simple and complex lipids. XIV-By-Products of Cracking Graphs, tables, equations, and graphic formulas have been used XV-Cracking Equipment freely. Journal references are given in the text for the more imXVI-Reviews of Cracking portant recent sources of information. In approximately one-

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