Ostwald (Dr. W.), A Handbook of Colloid Chemistry, 
Translated by Prof. M. H. Fischer, 47 
Stein (M. F.), Water-Purification Plants and 
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Thorpe (Sir E.), The Right Hon. Sir Henry Enfield 
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Engineering: 
Andrews (E, S.), Elementary Strength of Materials, 365 
Barnes (A. A.), Hydraulic Flow Reviewed, 87 
Blanchard (Prof. A. H.), Elements of Highway Engineer- 
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Cain (Prof. W.), Earth Pressure, Retaining Walls, and 
Bins, 486 : 
Fleming (Prof. J. A.), Alternating Electric Currents, 265 
Grialou (Prof. J.), Cours d’Hydraulique, 267 
Hay (Dr. A.), An Introductory Course of Continuous- 
current Engineering, Second edition, 108 
James (W. H. N.), Alternating Currents in Theory and 
Practice, 265 
Judge (A. W.), The Design of Aeroplanes, 45 
Kapp (Prof. G.), The Principles of Electrical Engineering 
and their Application, vol. i., 265 
Kingsbury (J. E.), The Telephone and Telephone Ex- 
changes: their Invention and Development, 188 
Lyle (Prof. W. T.), Parks and Park Engineering, 486 
Mather (Prof. T.), The Growth of Telephony, 188 
Merriman (M.), American Civil Engineers’ Pocket-Book, 
Third edition, 486 
Morrison (Dr, C. E.), and O. L. Brodie, Masonry Dam 
taps including High Masonry Dams, Second edition, 
4 
Rotigliano (Prof. S.), Costruzioni di Strade e Gallerie, 365 
Russell (Dr. A.), A Treatise on the Theory of Alternating 
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Alexander (P. F.), The Earliest Voyages Round the 
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American Geographical Society of New York, Memorial 
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Bacon’s Large-Scale Map of the French Battle-Front, 388 ; 
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Caine (Rev. Czsar), Cleator and Cleator Moor: Past 
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Dick (Rev. C. H.), Highways and Byways in Galloway 
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Douie (Sir J.), The Panjab, North-West 
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Gregory (Prof. J. W.), Australia, 446 ‘ 
Knipe (H. R.), Tunbridge Wells and Neighbourhood, 48 
Marga (Dr. L.), The Physical Geography of Wisconsin, 
4 
Moreland (A. M.), Through South Westland, Second 
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Wallis (B. C.), Macmillan’s Graphic Geographies, The 
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Frontier 
Geology and Mineralogy : 
Ball (Dr. J.), The Geography and Geology of West- 
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Bonney (Prof. T. G.), Ball’s The Geography and Geology 
of West-Central Sinai, 352 
Hoover (T. J.), Concentrating Ores by Flotation, Third 
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Johnson (Prof. B. H.), and L. G, Huntley, Principles of 
Oil and Gas Production, 487 
Kunz (Dr. G. F.), Shakespeare and Precious Stones, 405 
Marr (Dr. J. E.), The Geology of the Lake District and 
the Scenery as Influenced by Geological Structure, 345 
Pirsson (Prof. L. V.), and Prof. C. Schuchert, A Text- 
book of Geology, 2 parts, 206 
Rastall (R. H.), Agricultural Geology, 167 
Rhonegletscher, Vermessungen am, 1874-1915, 430 
Rickard (T. A.), The Flotation Process, 246 
Watson (J.), British and Foreign Marbles and other 
Ornamental Stones, 327 
Mathematical and Physical Science : 
[ Nature, — 
March 15, 1917 
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Bartizza (G. B.), Gnomonica, 326 
Boccardi (Prof. G.), Lezioni di Cosmografia, 326 
Carmichael (Prof. R. D.), Diophantine Analysis, 126 
Centnerszwer (M.), Cours de Manipulations de Chi 
Physique et d’Electrochimie, 407 
Chamberlin (Prof. T. C.), The Origin of the Ea 
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Bunk (J. L.), Hyperacoustics, division i., Simultaneou 
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Erwin (M.), The Universe and the Atom, 246 
Glenn (Prof. O. E.), A Treatise on the Theory of In. 
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Goldsmith (E. T.), The Mechanical Star-bearing Finder, 
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Hadley (H. E.), A Manual of Practical Physics, 127 
Hart (I. B.), A Student’s Heat, 147 
Hudson (H. P.), Ruler and Compasses, 347 
Hunsaker (J. C.), and others, Dynamical Stability 
Aeroplanes, 465 
Jeans (Prof. J. H.), The Dynamical Theory of Gases, 
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Jessop (Prof. C. M.), Quartic Surfaces with Singular 
Points, 367 
Joly (Prof. J.), Synchronous Signalling in Navigation, 8 
Joukowski (Prof. N.), Bases Théoriques de |’Aéronau- 
tique. Aérodynamique, 465 
Lanchester (F. W.), Aérodonétique, Translated by Com- 
mandant C. Benoit, 465 { 
Leib (Dr. D. B.), Problems 
Formulas and Suggestions, 88 
Lémeray (E.-M.), Le Principe de Relativité, 368 7 
Marsh (H. W.), Interpolated Six-Place Tables of the 
Logarithms of Numbers and the Natural ad Logar- 
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Martin, Jr. (Prof. L. A.), Text-book ot Mechanics, 
vol. vi., Thermodynamics, 127 
Maunder (E. W.), The Stars as Guides for Night-march- 
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McGegan (J. E.), Star Identifier and Diagrams for the 
Graphical Solution of Problems in Nautical Astronomy, 
in the Calculus, with 
406 
Merriman (M.), Mathematical Tables for Class-room Use, 
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Meteorological Observations in the Five Years 1911-1915, 
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Military Map, The, Elements of Modern Topography 
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Miller (Prof. G. A.), Historical Introduction to Mathe- 
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L. E. Dickson, Theory and Applications of Finite 
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Orpen (T. H.), The Rain-children: a Fairy-tale in 
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Pendlebury (C.), Revision Papers in Arithmetic, 347 : 
Pérez (J. A.), Texto drabe, Compendio de Algebra de 
Abenbéder, 406 
Phillips (Prof. H. B.), Analytic Geometry, 88 
Pidduck (F. B.), A Treatise on Electricity, 6 : 
Riach (M. A. S.), Air Screws: an Introduction to the 
Aerofoil Theory of Screw Propulsion, 465 ; 
Richardson (Prof. O. W.), The Emission of Electricity 
from Hot Bodies, 146 
Robertson (J. W.), A Shilling Arithmetic, 347 
Rosenberg (F.), Preliminary Geometry, 347 
Ruston (A. G.), Rural Arithmetic, 88 
Stars at a Glance, 407 
Tuckey (C. O.), and W. A. Nayler, Statics: a First 
Course, 
; 
a 
347 . 4 
Weld (Prof. Le Roy D.), Theory of Errors and Least 
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White (Dr. J. D.), Steering by the Stars for Night-flying, 
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