172 SCIENCE PROGRESS 



Technical Methods of Analysis, as employed in Laboratories of Arthur D. 

 Little, Cambridge, Mass. Edited by Roger Castle Grifhn. New York : 

 McGraw-Hill Book Company, 370 Seventh Avenue ; London : 6 and 8 

 Bouverie Street, E.C.4, 1921. (Pp. xv + 666, with 29 illustrations.) 

 Price 33s. net. 



Principles of Human Geography. By Ellsworth Huntington, Research 

 Associate in Geography, Yale University ; and Sumner W. Gushing, 

 late Head of the Department of Geography in the State Normal School 

 of Salem, Mass. New York : John Wiley & Sons ; London : Chapman 

 & Hall, 1921. (Pp. xiv + 430, with 118 figures.) Price 215. net. 



Annual Magazine Subject-Index : 1919. A Subject-Index to a Selected List 

 of American and English Periodicals and Society Publications. Edited 

 by Frederick Winthrop Faxon, A.B. (Harv.). Compiled with the co- 

 operation of Librarians. Boston : The F. W. Faxon Company, 1920, 

 (Pp. 241.) 



Dictionary of British Scientific Instruments. Issued by the British Optical 

 Instrument Manufacturers' Association. London : Constable & Co., 

 1921. (Pp. xii + 334, with 312 illustrations.) Price 215. net. 



The Mystery of Space. A Study of the Hyper space Movement in the Light 

 of the Evolution of the New Psychic Faculties and an Inquiry into the 

 Genesis and Essential Nature of Space. By Robert T. Browne. London : 

 Kegan Paul, Trench, Triibner & Co. ; New York : E. P. Dutton & Co. 

 (Pp. xvi + 395.) Price 15s. net. 



The Great Riddle ; or, the Action and Effects of Natural Forces and Conditions 

 in the Creation. By Frank Horrid ge. London : Kegan Paul, Trench, 

 Triibner & Co. ; New York : E. P. Dutton & Co., 1921. (Pp. 99.) 

 Price 35. 6d. net. 



The Essentials of Mental Measurement. By William Brown, M.A., M.D., 

 D.Sc, and Godfrey H. Thomson, D.Sc, Ph.D. Cambridge : at the 

 University Press, 1921. (Pp. x + 216.) Price 21s. net. 



Studies in the History and Method of Science. Edited by Charles Singer. 

 London : Clarendon Press, 1921. (Pp. xxii + 560, with 55 plates and 

 104 figures in the text.) Price 48s. net. 



The Unity of Science : A Sketch. By Dr. Johan Hjort, F.R.S., Profes. t at 

 the University of Kristiana. London : Gyldendal, 11 Burleigh Street, 

 Covent Garden, W.C.2, and Copenhagen and Christiania. (Pp. vi + 176.) 

 Price 6s. net. 



Laboratories : Their Planning and Fittings. By Alan E. Munby, M.A., 

 F.R.I.B.A., with an Historical Introduction by Sir Arthur E. Shipley, 

 G.B.E., Sc.D., LL.D., F.R.S. London : G. Bell & Sons, 192 1. (Pp. 

 xix -t- 220, with 165 figures.) Price 255. net. 



Counsels and Ideals from the Writings of William Osier. Second Edition. 

 London : Oxford University Press, 1921. (Pp. xxiv + 355.) Price 

 8s. 6d. net. 



Scientific Theism versus Materialism. The Space-time Potential. By 

 Arvid Reuterdahl, Dean of the Department of Engineering and Archi- 

 tecture, the College of St. Thomas. New York : The Devin-Adair 

 Company, 1920. (Pp. 298.) 



Moral Theory : an Introduction to Ethics. By G. C. Field, M.A., B.Sc, 

 Lecturer in Philosophy in the University of Liverpool. London : 

 Methuen & Co., 36 Essex Street, W.C. (Pp. x -f 214.) Price 6s. net. 



Geography, Physical, Economic, Regional. By James Franklin Chamber- 

 lain, Ed.B., S.B. London : J. B. Lippincott Company. (Pp. xviii + 

 505, with 2IO illustrations.) Price 15s. net. 



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