Nature, "I r , 



February 10, 1923 J J UCte. 



made during Journeys of 6000 Miles in the Rural 



Districts as a Basis for a Sounder Knowledge of the 



Japanese People, 538 

 Smith (Sir Ross), 14,000 Miles through the Air, 6}i 

 Statesman's Vear-Book, The, Statistical and Historical 



Annual of the States of the World for the year 1922. 



Edited by Sir John Scott Keltie and Dr. M. Epstein, 75 

 Sweden, A Book about, 631 



Turner (S.), The Conquest of the New Zealand Alps, 872 

 Ulster. Edited by G. Fletcher, 339 

 Varley (T.), Hampshire, 339 

 Volonakis (Dr. M. D.), The Island of Roses and her 



Eleven Sisters : or, the Dodecanese from the Earliest 



Time down to the Present Day, 146 



Geology and Mineralogy : 



Beck (Prof. R.), bearbeitet durch Dr. G. Berg, Abriss 



der Lehre von den Erzlagerstatten : In Anlehnung 



an die dritte Auflage des Lehrbuches und unter 



Beniitzung hinterlassener Aufzeichnungen, 205 



Chautard (J.), Bibliotheque degeologie et de mineralogie 



appliquees : Les Gisements de petrole. 474 

 Cole (Prof. G. A. J.), Rocks and their Origins. Second 



edition, 768 

 Crabtree (J. H.), Rocks and Fossils and How to Identify 



Them, 74 

 Cronshaw (Dr. H. B.), Oil Shales, 307 

 Dana (Prof. E. S.), Third edition, revised and enlarged 

 by Prof. W. E. Ford. A Text-book of Mineralogy : 

 With an extended Treatise on Crystallography and 

 Physical Mineralogy, 210 

 Deecke (Prof. W.), Phvtopalaontologie und Geologie, 375 

 Emmons (Prof. W. H.), General Economic Geology: 



A Text-book, 210 

 Grabau (Prof. A. W.), A Text-book of Geology, 2 parts, 



143 

 Gregory (Prof. J. \V.), Evolution of the Essex Rivers 



and of the Lower Thames, 308 

 Hayes (Dr. C. W.), Handbook for Field Geologists. 



Third edition, 412 

 Hobbs (Prot. W. H.), Earth Evolution and its Facial 



Expression, 270 

 Johnstone (S. J.), Potash. New edition, 307 

 Jones (Dr. O. T.), Memoirs of the Geological Survey. 

 Special Reports on the Mineral Resources of Great 

 Britain. Vol. 20 : Lead and Zinc. The Mining 

 District of North Cardiganshire and West Mont- 

 gomeryshire, 476 

 Lang (Dr. W. D.), Catalogue of the Fossil Bryozoa 

 (Polyzoa) in the Department of Geology, British 

 Museum (Natural History). The Cretaceous Bryozoa 

 (Polyzoa). Vol. 4 : The Cribrimorphs. Part 2, 445 

 Leith (C. K), The Economic Aspects of Geology, 143 

 Martel (E.-A.), Nouveau Traite des eaux souterraines, 



242 

 Milner (H. B.), An Introduction to Sedimentary 

 Petrography : with special reference to loose Detrital 

 Deposits and their Correlation by Petrographic 

 Methods, 804 

 Mitzakis (M), The Oil Encyclopedia, 474 

 Moon (F. W.), and H. Sadek, Topography and Geology 



of Northern Sinai, 175 

 Peel (R.), Twentieth edition, revised and enlarged by 

 Prof. D. Burns, An Elementary Text-book of Coal- 

 Mining, 628 

 Penzer (N. M.), The Mineral Resources of Burma, 74 ; 



The Tin Resources of the British Empire, 5 

 Pogue (J. E.), The Economics of Petroleum, 474 

 Quennell (M. and C. H. B.), Everyday Life in the Old 



Stone Age, 443 

 Reed (Dr. F. R. C), The Geology of the British Empire, 5 

 Reeves (J.), The World-Story of 3,000,000,000 (?) 



years, 443 

 Rogers (Dr. A. W.), The Geology of the Country around 

 Heidelberg and Geological Map of the Country 

 around Heidelberg, 662 

 Underhill (Dr. J.), Mineral Land Surveying. Third 



edition, 341 

 Wegener (Dr. A.), Die Entstehung der Kontinente 

 und Ozeane. Dritte Auflage, 798 



Whitaker (W), The Water Supply of Cambridgeshire, 



Huntingdonshire, and Rutland from Undei 



Sources, 7 

 Wilson (G. V.), and others, Special Reports on the 



Mineral Resources of Great Britain. Vol. 2 : Barvtes 



and Witherite. Third edition, 211 

 Wray (D. A.), The Geology and Mineral Resources of 



the Serb-Croat-Slovene State : Being the Report 



of the Geologist attached to the British Economic 



Mission to Serbia, 33 



Mathematical and Physical Science : 



Barnard (Prof. R. J. A.), Elementary Statics of Two 



and Three Dimensions, 243 

 Barus (Prof. C), Displacement Interferometry applied 



to Acoustics and to Gravitation, 7 

 Biologischen Arbeitsmethoden, Handbuch der, her- 



ausgegeben von Prof. E. Abderhalden. Lief. 55. 



Abt. V. Teil 6, Heft 3, 509 

 Bisacre (F. F. P.), Applied Calculus : An Introductory 



Text-book, 411 

 Bloch (Dr. L), Le Principe de la relativite et la theorie 



d'Einstein, 568 

 Boscovich (R. J.), A Theory of Natural Philosophy. 



Latin-English edition. With a short Life of 



Boscovich, 870 

 Bow;er (W. R.) and Prof. J. Satterly, Practical Physics. 



Eighth impression (second edition), 443 

 Campbell (Dr. N. R.), Modern Electrical Theory. 



Supplementary Chapters. Chapter XV. : Series 



Spectra, 767 

 Capstick (Dr. J. W.), Sound : An Elementary Text-book 



for Schools and Colleges. Second edition,' 510 

 Chadwick (Dr. J.), Radioactivity and Radioactive 



Substances, 412 

 Chauveau (B), Electricite atmospherique. Premier 



fasc. : Introduction historique, 406 

 Cisotti (Prof. U.), Idromeccanica Piana. Parte Prima 



and Parte Seconda, 243 

 Clapham (C. B.), Metric System for Engineers, 340 

 Cochrane (J. A.), Readable School Physics, 340 

 Comstock (Prof. G. C), Observations of Double Stars, 



1907-1919, 7 

 Crowther (Dr. J. A.), Ions, Electrons, and Ionising 



Radiations. Third edition, 340 

 Dakin (A.), Practical Mathematics. Part I., 375 

 Davidge (H. T.) and R. W. Hutchinson, Technical 



Electricity. Fourth edition, 840 

 Doublet (E.), Histoire de l'astronomie, 600 

 Dunk (J. L.), Hyperacoustics. Division II. : Successive 



Tonality, 411 

 Eddington (Prof. A. S.), Ouvrage traduit de l'anglais 



par J. Rossignol, Espace, Temps et Gravitation : 



la theorie de la relativite generalisee dans ses grandes 



lignes, 410 ; The Romanes Lecture, 1922. The 



Theory of Relativity and its Influence on Scientific 



Thought, 568 

 Einstein (Prof. A.) and Prof. H. Minkowski. Trans- 

 lated by M. N. Saha and S. N. Bose, The Principle 



of Relativity, 273 

 Fowler (Prof. A.), The Physical Society of London. 



Report on Series in Line Spectra, 690 

 Giinther (H.), (W. de Haas), Technische Traume, 663 

 Haag (Prof. J.), Cours complet de mathematiques 



speciales. Tome 2, Geometric, 375 

 Hale (Prof. G. E.), The New Heavens, 2 

 Hicks (Prof. W. M), A Treatise on the Analysis of 



Spectra : Based on an Essay to which the Adams 



Prize was awarded in 1921, 690 

 Humbert (Prof. P.), Introduction a l'etude des fonctions 

 elliptiques a l'usage des etudiants des facultes des 

 sciences, 308 

 Janet (Prof. P.), Problemes et exercises d'electriciti 



generale, 147 

 Laplace (Pierre-Simon), Essai philosophique sur les 



probabilites, I., II., 6 

 London Mathematical Society, Proceedings of the. 



Second Series. Vol. 20, 570 

 Love (Prof. A E. H.), Theoretical Mechanics : An 



