AiBiL 20, 1906.] 



SCIENCE. 



627 



one of the largest collections of physical- 

 training literature, and the files of the Bib- 

 liographica Medica, Concilium Bibliograph- 

 icum, American Index Medicus, Surgeon 

 General's Index of the United States Gov- 

 ernment, Poole's Periodical Index, etc. Also 

 complete files of the technical periodicals on 

 physical training which are not as a rule 

 classified in Poole's Index. 



This volume contains a classification of 

 physical-training literature (pp. 9-16) which 

 is an amplification of No. 613.71 of Dewey's 

 ' Decimal Classification.' This classification 

 has already passed through two editions ; it is 

 the result of many years of practical use and 

 is invaluable for library classification of phys- 

 ical training literature. 



The index (pp. lY-22) serves as a guide to 

 the foregoing classification and to the bibli- 

 ography, which fills the last 346 pages of the 

 book. 



The bibliography includes some 4,000 titles 

 arranged under eight main heads and numer- 

 ous subheads as follows: 



I. General Worlcs. (1) Philosophy, (2) 

 comjiends, (3) cyclopedias, (4) periodicals, 

 (5) societies and conferences, (6) normal 

 education, (Y) systems. 



II. The Subject of Training — Man. (1) 

 Physical, (2) mental, (3) spiritual, (4) social. 



III. The Exercises — Gymnastic. (1) Med- 

 ical, (2) calisthenics, (3) defensive, (4) heavy 

 apparatus, (5) indoor games, (6) developing 

 apparatus. 



IV. The Exercises — Athletic. (1) Track 

 athletics, (2) field athletics, (3) indoor ath- 

 letics, (4) outdoor games, (5) outdoor recrea- 

 tions, (6) sporting. 



V. The Exercises — Aquatic. (1) Boat and 

 canoe building, (2) sailing or yachting, (3) 

 rowing and paddling, (4) fishing, (5) ice 

 sports, (6) snow sports. 



VI. The Organization. (1) Scope, etc., (2) 

 local organization, (3) salaried officials, (4) 

 methods. 



VII. The Place. (1) Gymnasium, (2) ath- 

 letic field, (3) public playgrounds, (4) aquatic 

 plant. 



VIII. History of Physical Training. (1) 

 Biography, (2) schools, (3) Young Men's 



Christian Associations, (4) other societies and 

 clubs. 



The bibliography includes practically all the 

 literature printed in English up to January 

 1, 1905, as well as the titles of the most sig- 

 nificant books, articles and pamphlets in Ger- 

 man, French and other tongues. 



The titles of books and articles which are 

 considered most important by the author and 

 his co-workers are indicated by an asterisk. 



This book can hardly fail to receive imme- 

 diate recognition from all workers in the 

 field of physical training, and the more they 

 use it, the more they will appreciate it. 



Geo. L. Meylan. 



The Polariscope in the Chemical Laboratory, 



an Introduction to Polarimetry and Related 



Methods. By George William Eolfe, A.M. 



New York, The Macmillan Co. 1905. 



This book differs from most books on polari- 

 scopic analysis by laying stress on the use of 

 the polariscope in other industries besides the 

 sugar industry. The author's experience as a 

 technical chemist and his position as a 

 teacher of polarimetric methods at the Massa- 

 chusetts Institute of Technology qualify him 

 to write understandingly on the subject he 

 has chosen. 



The contents of the book embrace a brief 

 discussion of the fundamental principles un- 

 derlying polariscopic analysis, a description of 

 polariscopic apparatus and laboratory manipu- 

 lation, a condensed account of sugar-house 

 and refinery methods as well as of the starch 

 industry, and an outline of the application 

 of polarimetry to scientific research and to 

 chemical analysis of sundry substances. 



It appears to the reviewer that it would 

 have been of decided advantage to the stu- 

 dents of this book if the author had more 

 strongly emphasized the methods of the Inter- 

 national Commission, which methods are at 

 the present time the standard methods of 

 Europe and which no doubt will soon find 

 general application in this country. 



Concerning the alleged influence of tem- 

 perature on the specific rotation of sucrose it 

 is stated (p. 44) : " Although these values for 

 temperature correction seem well established 



