570 SCIENCE PROGRESS 



The Master- Key. A New Philosophy. Addressed to Psychologists, Scientists, 

 Theologians, Christians, Jews, Agnostics, Spiritists, Ascetics, Orientalists, and 

 Educated Persons generally. By David Blair, Wimbledon Ashrama Society, 

 96, High Street, 1914. (Pp. vi + 118.) 



A Theory of Civilisation. By Sholto O. G. Douglas. London : T. Fisher Unwin, 

 Adelphi Terrace. Leipsic : Inselstrasse 20. (Pp. 246.) Price $s. net. 



Projective Geometry. By G. B. Mathews, M.A., F.R.S., Lecturer in Pure 

 Mathematics in the University College of North Wales, Bangor. London : 

 Longmans, Green & Co., 39, Paternoster Row. New York : Fourth Avenue and 

 30th Street ; Bombay, Calcutta and Madras, 19 14. (Pp. xiv + 319.) Price 5.?. 



Seventy-fourth and Seventy-fifth Annual Reports of the Registrar-General of Births, 

 Deaths, and Marriages in England and Wales. (191 1 and 1912.) Presented 

 to both Houses of Parliament by Command of His Majesty. London : 

 Printed under the Authority of His Majesty's Stationery Office by Darling 

 & Son, Ltd., Bacon Street, E. T. Fisher Unwin, W.C., 1913 and 1914. (Pp. 

 cvi + 577 and cxii + 609.) Prices 5*. Sd. and $s. gd. (Cd. 6578 and 7028.) 



Lecons de Mathe'matiques GeneVales. Par L. Zoretti, Professeur a la Faculte 

 des Sciences de Caen. Avec une Preface de P. Appell, Paris. Gauthier- 

 Villars, Imprimeur-Libraire du Bureau des Longitudes de L'Ecole Poly- 

 technique, Quaie des Grands Augustins, 55, 1914. (Pp. xvi +■ 753.) 205 

 Figures. Price 20 francs. 



Flies in Relation to Disease. Non-Bloodsucking Flies. ByG. S. Graham-Smith, 

 M.D., University Lecturer in Hygiene, Cambridge. Cambridge : at the 

 University Press, 1914. With Illustrations. (Pp. xvi + 389.) Price 12s. 6d. 



Vital Statistics Explained. Some Practical Suggestions by Joseph Burn, F.I. A., 

 F.S.I., Member of the Council of the Institute of Actuaries, and Actuary to 

 the Prudential Assurance Co., Ltd. With a Preface by Sir William Collins, 

 M.D., etc., Chairman of the Chadwick Trust. London : Constable & Co., Ltd., 

 10, Orange Street, Leicester Square, W.C., 191 4. With Plates and Diagrams. 

 (Pp. x + 140.) Price 4s. net. 



The Roman Cemetery in the Infirmary Field, Chester. By R. Newstead. From 

 the Annals of Archaeology and Anthropology, Vol. vi. No. 4. With Plates 

 and Illustrations. (Pp. 46.) 



The Chemical Examination of Water, Sewage, Foods and other Substances. 

 By J. E. Purvis, M.A., University Lecturer in Chemistry and Physics as 

 applied to Hygiene and Public Health, St. John's and Corpus Christi 

 Colleges, Cambridge ; and T. R. Hodgson, M.A., Public Analyst for the 

 County Boroughs of Blackpool and Wallasey, formerly of Christ's College, 

 Cambridge. Cambridge : at the University Press, 1914. (Pp. 228.) Price 

 gs. net. 



Elementary Theory of Equations. By Leonard Eugene Dickson, Ph.D., Pro- 

 fessor of Mathematics in the University of Chicago. First Edition : One 

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

 1914. (Pp. iv -f 183.) Price ys. 6d. net. 



The Vaccination Question in the Light of Modern Experience. An Appeal for 

 Reconsideration. By C. Killick Millard, M.D., D.Sc, Medical Officer of 

 Health for Leicester, Medical Superintendent of the Isolation and Smallpox 

 Hospitals, Leicester, formerly Medical Officer of Health for Burton-on-Trent, 

 Medical Superintendent of the Birmingham City Hospitals. London : H. K. 

 Lewis, 136, Gower Street, W.C., 1914. With Illustrations. (Pp. xvii + 243.) 

 Price 6s. net. 



