530 SCIENCE PROGRESS 



Catalysis in Theory and Practice. By Eric Rideal, M.B.E, M.A., Ph.D., and 

 Hugh S. Taylor, D.Sc, Assistant Professor of Physical Chemistry, Princeton 

 University, U.S.A. London : Macmillan & Co., St. Martin's Street, 1919- 

 (Pp. xv + 496.) Price 17s. net. 



The Manufacture of Chemicals by Electrolysis. By Arthur J. Hale, B.Sc, F.I.C., 

 Chief Assistant in the Chemical Department, City and Guild Technical 

 College, Finsbury. London : Constable & Co., Orange Court, W.C., 1919. 

 (Pp. xi + 80.) Price 6s. net. 



Stereochemistry. By Alfred W. Stewart, D.Sc, Professor of Chemistry in the 



Queen's University of Belfast. London : Longmans, Green & Co., 30, 



Paternoster Row, 1919. (Pp. xvi + 277.) With 58 Illustrations. Price 

 1 2 s. 6d. net. 



The Profession of Chemistry. By Richard B. Pilcher, Registrar and Secretary 

 of the Institute of Chemistry of Great Britain and Ireland. London: Con- 

 stable & Co., 1919. (Pp. xiv -|- 199.) Price 6s. 6d. net. 



A Course of Practical Chemistry for Agricultural Students. Vol. II. Part I. 

 By H. A. D. Neville, M.A., F.I.C., and L. F. Newman, M.A., F.I.C., School 

 of Agriculture, Cambridge University. Cambridge: at the University Press, 

 1919. (Pp. 119) Price 5j.net. 



Chemistry from the Industrial Standpoint. By P. C. L. Thorne, B.A. London : 

 Hodder & Stoughton, 1919. (Pp. xvi + 244.) Price 4s. 6d. net. 



Geology of India for Students. By D. N. Wadia, M.A., B.Sc, Prince of Wales 

 College, Jammu, Kashmir, India. London : Macmillan & Co., St. Martin's 

 Street, 1919. (Pp. xx + 298.) With 20 Plates and y] Figures in the Text. 

 Price \%s. net. 



Petrology for Students. An Introduction to the Study of Rocks under the 

 Microscope. By Alfred Harker, M.A., LL.D., F.R.S., F.G.S., Fellow of 

 St. John's College, and Reader in Petrology in the University of Cambridge. 

 Fifth Edition, Revised. Cambridge : at the University Press, 1919. (Pp. 

 v + 300.) Price 8s. 6d. net. 



Handbook of Mineralogy, Blowpipe Analysis and Geometrical Crystallography. 

 By G. Montague Butler, E.M., Professor of Mineralogy and Petrology ;. 

 Dean, College of Mines and Engineering ; Director, Arizona Bureau of 

 Mines, University of Arizona, Tucson, Arizona. New York : John Wiley & 

 Sons. London : Chapman & Hall, 1918. (Pp. ix + 155.) Price 10s. 6d. net. 



Graines et Plantules des Arbres et Arbustes Indigenes et Communement 

 Cultives en France. Par R. Hickel. Premiere Partie, Coniferes (pp. 179,. 

 avec 93 figures originates, dessins de 1'auteur), 191 1. Deuxieme Partie, 

 Angiospermes (pp. 347, avec 85 figures originales et deux planches hors 

 texte, dessins de 1'auteur). 1914. Versailles: chez l'Auteur, 11 bis, Rue 

 Champ-la-Garde. 



Joseph Dalton Hooker, O.M., G.C.S.I., C.B., F.R.S., M.D., etc. By Prof. 

 F. O. Bower, Sc.D., F.R.S., Regius Professor of Botany in the University 

 of Glasgow. Men of Science Series, Edited by S. Chapman, M.A., D.Sc y 

 F.R.S. London: Society for Promoting Christian Knowledge. New York : 

 The Macmillan Company. (Pp. 62.) Price 2s. net cloth, is. paper. 



Applied Botany. By G. S. M. Ellis, B.A. London : Hodder & Stoughton, 

 1919. (Pp. viii + 248.) Price 4s. 6d. net. 



The Unity of the Organism or Organismal Conception of Life. By William 

 Emerson Ritter, Director of the Scripps Institution for Biological Research 

 of the University of California, La Jolla, California. Two Volumes. Boston, 

 U.S.A. : Richard G. Badger, The Gorgham Press. (Vol. I., pp. xxix + 398 ; 

 Vol. II., pp. xv + 408.) Price $5 net each. 



