Chemistry and Physics. 140 



reference to them in the list of memoirs. In certain cases the 

 printing of innumerable figures has been avoided by drawing 

 curves ; in others, such as the study of fusion in binary and 

 tenary systems, only the properly characteristic values have been 

 retained. 



The material is tabulated first under the twenty chapter heads, 

 compressibility, elasticity, density, viscosity, surface tension, 

 expansion, specific heats, thermal conductivity, thermodynamics, 

 melting points, vapor pressures, gas laws, acoustics, photometry, 

 radiation, infra-red spectrum, absorption, refraction and dis- 

 persion, spectroscopy, rotatory power. These are printed in each 

 of the four languages, French, German, English, and Italian, 

 arranged in parallel columns. Each chapter head is followed 

 with a detailed list of topics and the pages upon which the tables 

 are to be found. The text of the work, however, where any 

 explanation is necessary is in French. The source from which 

 the values were taken is indicated in every instance and a con- 

 siderable bibliography is frequently appended. 



This relatively large work will be found extremely valuable in 

 every technical or university laboratory. The distribution in 

 this country is to be made through the University of Chicago 

 Press from whom it may be obtained at $13.25 net. 



The second part which is promised for 1922 will treat of electri- 

 cal constants, solubilities, colloids, and other matters pertaining 

 more particularly to chemistry. f. e. b. 



7. Report of the National Physical Laboratory for 1920. Pp. 

 132. London, 1921 (His Majesty's Stationery Office).— The 

 activities of this (Teddington) laboratory will be of interest to 

 anyone engaged in research in Physical Science, and attention 

 may be called to the list of papers, pp. 37-42, published by the 

 laboratory or communicated by members of its staff to scientific 

 societies or to technical journals. f. e. b. 



8. Die Naturwissenschaften : Zweiter Band; by Friedrich 

 Dannemann. Pp. X, 508. Leipzig, 1921 (Wilhelm Engel- 

 mann). — This is the second edition' of the volume in which the 

 author has traced with great care the progress of scientific 

 thought from Galileo to the middle of the Eighteenth Century. 

 It appears to be historically accurate and is entertainingly 

 written. It was the author's aim to supply a book which should 

 exhibit not only the development of the principles of physical 

 science but also to show their relation to such other branches as 

 philosophy, mathematics, therapeutics and technology. The 

 volume is illustrated with 132 figures drawn from the original 

 memoirs and gives their sources. The work is well indexed and 

 contains extensive notes to the literature of the subject. It will 

 be appreciated both by students and by teachers. f. e. b. 



Am. Jour. Sci.— Fifth Series, Vol. Ill, No. 14.— February, 1922. 

 11 



