BOOKS RECEIVED 



{Publishers are requested to notify prices') 



An Enquiry Concerning the Principles of Natural Knowledge. By A. N. White- 

 head, Sc.D., F.R.S., Fellow of Trinity College, Cambridge, and Professor of 

 Applied Mathematics in the Imperial College of Science and Technology. 

 Cambridge : at the University Press, 1919. (Pp. xii + 200.) Price 

 12.?. td. net. 



Vital Statistics : An Introduction to the Science of Demography. By George 

 Chandler Whipple, Professor of Sanitary Engineering in Harvard University, 

 Member of the Public Health Council, Massachusetts, State Department of 

 Health. New York : John Wiley & Sons. London : Chapman & Hall, 1919. 

 (Pp. xii + 517.) Price iSs. 6d. net. 



Infinitesimal Calculus. An Elementary Course. By Horace Lamb, M.A., LL.D. 

 Sc.D., F.R.S., Professor of Mathematics in the Victoria University of Man- 

 chester. Third and Revised Edition. Cambridge : at the University Press, 

 1919. (Pp. xiv + 530.) Price 20s. net. 



Elements of Vector Algebra. By L. Silberstein, Ph.D., Lecturer in Natural 

 Philosophy at the University of Rome. London : Longmans, Green & Co., 

 1919. (Pp. ii + 42.) Price 55-. net. 



Problems of Cosmogony and Stellar Dynamics. By J. H. Jeans, M.A., F.R.S. 

 Being an Essay to which the Adams Prize of the University of Cambridge 

 for the Year 19 17 was adjudged. Cambridge : at the University Press, 

 1919. (Pp. viii + 293.) With 5 Plates. Price 21s. net. 



The Study of the Weather. By E. H. Chapman, M.A., B.Sc, Fellow of the 

 Royal Meteorological Society. Cambridge : at the University Press, 1919. 

 (Pp. xii + 131.) Price 3^. 6d. net. 



Herschell. By the Rev. Hector Macpherson, M.A., F.R.A.S., F.R.S.E. Men of 

 Science Series, Edited by S. Chapman, M.A., D.Sc, F.R.S. London : 

 Society for Promoting Christian Knowledge. New York : The Macmillan 

 Company, 1919. (Pp. 78.) Price 2s. net cloth ; is. paper. 



Lectures on Ten British Physicists of the Nineteenth Century. By Alexander 

 Macfarlane. New York : John Wiley & Sons. London : Chapman & Hall, 

 1919. (Pp. 144.) Price ys. 6d. net. 



The Simple Carbohydrates and the Glucosides. By E. Frankland Armstrong, 

 D.Sc, Ph.D., F.I.C., Fellow of the City and Guilds of London Institute. 

 Third Edition. London : Longmans, Green & Co., 1919. Price 12s. net. 



The Chemistry of Colloids. Part I : Kolloidchemie. By Richard Zsigmondy, 

 Professor at the University of Gottingen, Director of the Institute of In- 

 organic Chemistry. Translated by Ellwood B. Spear, Associate Professor 

 of Inorganic Chemistry, Massachusetts Institute of Technology. Part II. : 

 Industrial Colloidal Chemistry. By Ellwood B. Spear, B. A. , Ph.D. A Chapter 

 on Colloidal Chemistry and Sanitation. By John Foote Norton, S.B., Ph.D., 

 Assistant Professor of Chemistry of Sanitation, Massachusetts Institute of 

 Technology. New York : John Wiley & Sons ; London : Chapman & Hall, 

 1917. (Pp. vii + 280.) Price 13s. 6d. net. 



5:9 



