BOOKS RECEIVED 513 



Directions for a Practical Course in Chemical Physiology. . By W. Cramer, 

 Ph.D., D.Sc, M.R.C.Sc, L.R.C.P. Fourth Edition. London : Long- 

 mans, Green & Co., 1920. (Pp. viii + 137.) Price 4s. 6d. net., inter- 

 leaved 5s. net. 



A Treatise on Chemistry. By the Right Honourable Sir H. E. Roscoe, F.R.S., 

 and C. Schorlemmer, F.R.S. Volume I. The Non-metallic Elements. 

 Fifth Edition, completely revised by Dr. J. C. Cain. London : Mac- 

 Millan & Co., St. Martin's Street, 1920. (Pp. xv + 968, with 226 illustra- 

 tions and one portrait.) Price 30s. net. 



Practical Chemistry. Fundamental Facts and Applications to Modern Life. 

 By N. Henry Black, A.M., Science Master, Roxbury Latin School, Boston, 

 Mass., and James Bryant Conant, Ph.D. Assistant Professor of Chem- 

 istry, Harvard University. New York : The Macmillan Company, 1920. 

 (Pp. X + 474.) Price lis. net. 



Recent Advances in Physical and Inorganic Chemistry. By Alfred W. 

 Stewart, D.Sc. Professor of Chemistry in the Queen's University of 

 Belfast. With an Introduction by Sir William Ramsay, K.C.B., F.R.S. 

 Fourth Edition. London : Longmans, Green & Co. 1920. (Pp. xvi + 

 286, with 25 illustrations and a Curve of Atomic Volumes.) Price 185. 

 net. 



The Volatile Oils. By E. Gildemeister and Fr. Hoffmann. Second Edition. 

 By E. Gildemeister, written under the auspices of the firm of Schimmel 

 & Co., Miltitz near Leipzig. Authorised Translation by Edward Kree- 

 mers, Madison, Wis. Second Volume. London : Longmans, Green 

 & Co., 39 Paternoster Row, 1916. (Pp. xx + 686, with 4 maps, 3 tables 

 and numerous illustrations.) Price 32s. net. 



The Experimental Basis of Chemistry. Suggestions for a Series of Experi- 

 ments illustrative of the Fundamental Principles of Chemistry. By Ida 

 Freud, sometime Staff Lecturer and Associate of Newnham College, 

 Cambridge. Edited by A. Hutchinson, M.A., Fellow of Pembroke 

 College, University Demonstrator of Mineralogy, and M. Beatrice Thomas, 

 Lecturer in Chemistry, Girton College, Cambridge. Cambridge : at the 

 University Press, 1920. (Pp. xvi + 408). Price 30s. net. 



The Manufacture of Sugar from the Cane and Beet. By T. H. P. Heriot, 

 F.I.C. Lecturer on Sugar Technology at the Royal Technical College, 

 Glasgow. London : Longmans, Green & Co., 1920. (Pp. x + 426, 

 with 39 illustrations). Price 24s. net. 



Water Plants. A Study of Aquatic Angiosperms. By Agnes Arber, D.Sc, 

 F.L.S. Fellow of Newnham College, Cambridge, and Keddey Fletcher- 

 Warr, Student of the University of London. Cambridge : at the Univer- 

 sity Press, 1920. (Pp. xvi + 436, with frontispiece and 171 text-figures). 

 Price 3 IS. 6d. 



Plantation Rubber and the Testing of Rubber. By G. Stafford Whitby, 

 Ph.D., M.Sc, A.R.C. Sc, Assistant Professor, Department of Chemistry, 

 McGill University. London : Longmans, Green & Co. 39 Paternoster 

 Row, 1920. (Pp. xvi + 555, with 8 plates and 48 text figures.) Price 

 28s. net. 



Text-Book of Pastoral and Agricultural Botany. For the Study of the 

 Injurious and Useful Plants of Country and Farm, By John W. 

 Harschberger, Ph.D. Professor of Botany, University of Pennsylvania. 

 Philadelphia : P. Blakiston's Son & Co., 10 12 Walnut Street. 

 (Pp. 294, xiii -|- with 121 illustrations.) 



