Recent Books I Popular Research Narratives. Volume 11. Col-
I n Part 11, which is entitled '.Organic Chemistry: there are two chapters. The first chapter treats of carbon and of a number of carbon eompounds, especially hydrocarbans, bath aliphatic and aromatic. By means of graphic formulas, an This second collection of fifty popular neeounts idea is given of t h e constitution of varlou. aroof scientific research contains considerable e h e m ~ matic eompounde of genera1 interest, such as istry, b u t i t is more interesting t o t h e chemist for dyes, d r u g s andperfumes. I n thesecond chapter t h e insight i t gives him into what t h e rest of the applications are made of the use of chemienl world is doing. The brief chapters eantrln reagents in the study of textiles, the cleaning of readable explanations and discussions of such metals, and the remuval of stains. subjects as the sonic depth finder, the relationship Part 111. called "Food and Cleaning Chemof street lighting t o traffic accidents and crime, istry;' consists of an erperimentnl study of sealing base metals t o glass, the geophone. perm."gar., starche.. proteins, cats, and soap.. The alloy. the earth inductor compass, aerial mapexperiments io each group are preceded by a ping of New York, and t h e most modern concepbrief dileurrion of the coostitution of the subtion of t h e electrical ~tructureof matter. And s t a n c e concerned. for t h e most part each adventure in r e e a r c h ir Part I V ha. t o do with selected aspects of recounted by t h e "mkn who did it." Michael Physiol~gicalChemistry. such as the nctmn of Pupin. President of t h e A. A. A. S.. In his introthe digestive juices and urine analysis. duction compare. science end engineering re^ Throughout t h e book the experimental work is rearch to the bee gathering honey and urges t h a t mpplemented by many reading references. Frehuman society take care of the honey gatherers quent quentlons not only serve as review, but k t the rtared-up honey be soon exhausted. The also help t o bring out applications of the experihooey of science which has been collected in this ments and t o introduce additional material. little volume is a well-ssrorted sample which I n her choice of subject-matter, illustrative demonstrates the great contributions of science experiments and appliestion. fhr author seems to t o the welfare of men. have a d h v e d closely to her intention of emphssizThe two v o l u m e of Popular Research Narraine l of chen~istrain evervdav .the o. r ~ c t i c a value tives ahould he kept handy an t h e open s h e l v e of life. The hook should he considered by all t h e class-room library for they form a suppleteachers who wish t o present in a limited time nn ment t o any encyclopedia or text-book, and a idea of the nature of cheml.try and certain of its pupil who does not find something t o interest him applications. as he turns t h e leaves is so dull t h a t he might well Loms K e ~ ~ s v be dropped from theclassatonce. E. E. S ~ o s s o h . Guide to Laboratory Chemistryfor Girlr. ACNSS lected by t h e Engineering Foundation. Williams m d Wilkins Co.. Baltimore, 1920. 174 pp. 12 X 18.5 Em. 81.00.
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Chemistry for Girls. A w n s , F. D. C. Heath and Co.. New York, ia 244 pp. 12.6 X 18.5 cm. $1.48.
Laboratory JABUas.
1928.
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This book is evidently intended for girls and women who are obliged t o acquire in a short time some understanding of the relation of chemistry t o everyday life. It was developed by t h e author at the Minneapolis Vocational High School in connection with courses given t o nurses and home economics students. The book is divided into four parts. Part I, consisting of three chapters, han t o d o with inorganic chemirtry. The first chapter crmtain. introductory material (on the types of chemical chanze. . and on t h e oronerties of s few imoortant elements and compounds) designed to familiarize the student with t h e language and method. of chemistry, by mean. of defmitionr, demonstratlons. and experiments. The second and third chapters deal with air and water.
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F. JApues. D. 1923.
vi
C. Heath and Co., New Y w k , 12.5 X 18.5 em. $1.48.
+ 195 pp.
T h e purpose of this bookis mainly toserve ae a guide t o thore tcaehers using "Laborntory Chemistry for Girls," and t o provide them with the haek=ound which the author has developed for her o m use in connection with t h e lahoratorv manual. The result9 of t h e experiments given i n "Lahoratarv Chemistrv for Girlr" arc recorded in detail and dl~cuseedfully. Information designed to aid the teacher in her direusrion of t h e l a b o n tory work ir included. T h e book fulfils its p u r ~ pore admirably and is therefore a useful supple^ ment t o "Laboratory Chemistry for Girlr."
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LOUISEKBLLBY Chemistry in Agriculture. Edited by JonePll S. CnmeaaLArw and C. A. Baowlrz. xi 38s pp. Illustmted. 13 X 20.5 cm. Pub-
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