LONGMANS' CIVIL ENGINEERING SERIES.

Edited by the Author of 'Notes on Building Construction'.

TIDAL RIVERS: their (1) Hydraulics, (2) Improvement, (3) Navigation. By W. H. WHEELER, M.Inst. C. E. With 75 Illustrations. Medium 8vo., 165. net.

NOTES ON DOCKS AND DOCK CONSTRUCTION.

By C. COLSON, M. Inst. C. E., Deputy Civil Engineer-in-Chief, Admiralty. With 365 Illustrations. Medium 8vo., 215. net.

PRINCIPLES AND PRACTICE

OF HARBOUR CONSTRUCTION. BY WILLIAM SHIELD, F.R.S. E., M. Inst.C.E., and Executive Engineer, National Harbour of Refuge, Peterhead, N.B. With 97 Illustrations. Medium 8vo., 15s. net.

CALCULATIONS IN HYDRAULIC

ENGINEERING:

a

Practical Text-Book for the use of Students, Draughtsmen and Engineers. By T. CLAXTON FIDLER, M. Inst. C. E., Professor of Engineering, University College, Dundee. Part I. Fluid Pressure and the Calculation of its Effects in Engineering Structures. With numerous Illustrations and Examples. 6s. 6d. net.

RAILWAY CONSTRUCTION.

8vo.,

By W. H. MILLS, M.I.C.E., Engineer-in-Chief of the Great Northern Railway of Ireland. With 516 Illustrations and Diagrams. 8vo., 18s. net.

NAVAL ARCHITECTURE.

ATTWOOD.—TEXT-BOOK OF THEORETICAL NAVAL ARCHITECTURE: a Manual for Students of Science Classes and Draughtsmen Engaged in Shipbuilders' and Naval Architects' Drawing Offices. By EDWARD LEWIS ATTWOOD, Assistant Constructor, Royal Navy; Member of the Institution of Naval Architects. With 114 Diagrams. Crown 8vo., 7s. 6d. WATSON.—-NAVAL ARCHITECTURE: A Manual of Layingoff Iron, Steel and Composite Vessels. By THOMAS H. WATSON, Lecturer on Naval Architecture at the Durham College of Science, Newcastle-upon-Tyne. With numerous Illustrations. Royal 8vo., 155. net.

MACHINE DRAWING AND DESIGN.

LOW.-Works by DAVID ALLAN LOW, Professor of Engineering, East London Technical College (People's Palace). IMPROVED DRAWING SCALES. 4d. in case.

AN INTRODUCTION TO MACHINE DRAWING AND DESIGN. With 153 Illustrations and Diagrams. Crown 8vo, 2s. 6d. LOW AND BEVIS.-A MANUAL OF MACHINE DRAWING AND DESIGN. By DAVID ALLAN LOW and ALFRED WILLIAM BEVIS, M.I. Mech. E. With 700 Illustrations. 8vo., 7s. 6d.

UNWIN.—THE ELEMENTS OF MACHINE DESIGN. By W. CAWTHORNE UNWIN, F.R.S.

Part I. General Principles, Fastenings, and Transmissive Machinery. With 304 Diagrams, etc. Fcp. 8vo., 6s.

Part II. Chiefly on Engine Details. With 174 Woodcuts. Fcp. 8vo., 4s. 6d.

WORKSHOP APPLIANCES, ETC.

NORTHCOTT.-LATHES AND TURNING, Simple, Mechanical and Ornamental. By W. H. NORTHCOTT. With 338 Illustrations. 8vo., 18s.

SHELLEY-WORKSHOP APPLIANCES, including Descrip

tions of some of the Gauging and Measuring Instruments, Hand-cutting Tools,
Lathes, Drilling, Planeing, and other Machine Tools used by Engineers. By
C. P. B. SHELLEY, M.I.C.E. With an additional Chapter on Milling by R.
R. LISTER. With 323 Woodcuts. Fcp. 8vo., 55.

MINERALOGY, METALLURGY, ETC.

BAUERMAN.-Works by HILARY BAUERMAN, F.G.S. SYSTEMATIC MINERALOGY. With 373 Woodcuts and Diagrams. Fcp. 8vo., 6s.

DESCRIPTIVE MINERALOGY. With 236 Woodcuts and Diagrams. Fcp. 8vo., 6s.

GORE. THE ART OF ELECTRO-METALLURGY, including all known Processes of Electro-Deposition. By G. GORE, LL.D., F.R.S. With 56 Woodcuts. Fcp. 8vo., 6s.

HUNTINGTON AND M‘MILLAN.-METALS: their Properties and Treatment. By A. K. HUNTINGTON, Professor of Metallurgy in King's College, London, and W. G. M'MILLAN, Lecturer on Metallurgy in Mason's College, Birmingham. With 122 Illustrations. Fcp. 8vo., 7s. 6d.

RHEAD.-METALLURGY.

An Elementary Text-Book.

By

E. C. RHEAD, Lecturer on Metallurgy at the Municipal Technical School,
Manchester. With 94 Illustrations. Fcp. 8vo., 3s. 6ả.

RUTLEY.

THE STUDY OF ROCKS: an Elementary Textbook of Petrology. By F. RUTLEY, F.G.S. With 6 Plates and 88 Woodcuts. Fcp. 8vo., 4s. 6d.

ASTRONOMY, NAVIGATION, ETC.

ABBOTT-ELEMENTARY THEORY OF THE TIDES: the Fundamental Theorems Demonstrated without Mathematics and the Influence on the Length of the Day Discussed. By T. K. ABBOTT, B.D., Fellow and Tutor, Trinity College, Dublin. Crown 8vo., 25.

BALL.-Works by Sir ROBERT S. BALL, LL.D., F.R.S. ELEMENTS OF ASTRONOMY. With 130 Figures and Diagrams. Fcp. 8vo., 6s. 6d.

A CLASS-BOOK OF ASTRONOMY.

Fcp. 8vo., 1s. 6d.

With 41 Diagrams.

ASTRONOMY, NAVIGATION, ETC.-Continued.

CLERKE.—THE SYSTEM OF THE STARS. By AGNES M.

CLERKE. With 6 Plates, and numerous Illustrations. 8vo., 215.

DE CAMPIGNEULLES-OBSERVATIONS TAKEN AT DUMRAON, BEHAR, INDIA, during the Eclipse of the 22nd January, 1898, by a Party of Jesuit Fathers of the Western Bengal Mission. By the Rev. V. DE CAMPIGNEULLES, S. J. With 14 Plates. 4to., 10s. 6d. net.

GILL.-TEXT-BOOK ON NAVIGATION AND NAUTICAL ASTRONOMY. By J. GILL, F.R.A.S., Head Master of the Liverpool Corporation Nautical College. 8vo., 10s. 6d.

HERSCHEL.-OUTLINES OF ASTRONOMY.

By Sir JOHN

F. W. HERSCHEL, Bart., K. H., etc. With 9 Plates and numerous Diagrams. 8vo., 12s.

LOWELL.-MARS.

BY PERCIVAL LOWELL, Fellow American Academy, Member Royal Asiatic Society, Great Britain and Ireland, etc. With 24 Plates. 8vo., 12s. 6d.

MARTIN-NAVIGATION AND NAUTICAL ASTRONOMY. Compiled by Staff Commander W. R. MARTIN, R. N. Royal 8vo., 185. MERRIFIELD.-A TREATISE ON NAVIGATION.

For

the Use of Students. By J. MERRIFIELD, LL.D., F.R.A.S., F.M.S. With Charts and Diagrams. Crown 8vo., 55

PARKER.-ELEMENTS OF ASTRONOMY.

With Numerous Examples and Examination Papers. By GEORGE W. PARKER, M.A., of Trinity College, Dublin. With 84 Diagrams. 8vo., 5s. net.

WEBB.-CELESTIAL OBJECTS FOR COMMON TELESCOPES. By the Rev. T. W. WEBB, M.A., F.R.A.S. Fifth Edition, Revised and greatly Enlarged by the Rev. T. E. ESPIN, M.A., F.R.A.S. (Two Volumes.) Vol. I., with Portrait and a Reminiscence of the Author, 2 Plates, and numerous Illustrations. Crown 8vo., 6s. Vol. II., with numerous Illustrations. Crown 8vo., 6s. 6d.

WORKS BY RICHARD A. PROCTOR.

THE MOON: Her Motions, Aspect, Scenery, and Physical Condition. With many Plates and Charts, Wood Engravings, and 2 Lunar Photographs. Crown 8vo., 3s. 6d.

OTHER WORLDS THAN OURS: the Plurality of Worlds Studied Under the Light of Recent Scientific Researches. With 14 Illustrations; Map, Charts, etc. Crown 8vo., 35. 6d.

OUR PLACE AMONG INFINITIES: a Series of Essays contrasting our Little Abode in Space and Time with the Infinities around us. Crown 8vo., 35. 6d.

[OVER.

WORKS BY RICHARD A. PROCTOR-Continued. MYTHS AND MARVELS OF ASTRONOMY. 35. 6d.

Crown 8vo.,

LIGHT SCIENCE FOR LEISURE HOURS: Familiar Essays on Scientific Subjects, Natural Phenomena, etc. 3 vols., crown 8vo., 5s. each. Vol. I. Cheap Edition. Crown 8vo., 35. 6d.

THE ORBS AROUND US; Essays on the Moon and Planets, Meteors and Comets, the Sun and Coloured Pairs of Suns. Crown 8vo., 35. 6d. THE EXPANSE OF HEAVEN: Essays on the Wonders of the Firmament. Crown 8vo., 35. 6d.

OTHER SUNS THAN OURS: a Series of Essays on Suns-Old, Young, and Dead. With other Science Gleanings. Two Essays on Whist, and Correspondence with Sir John Herschel. With 9 Star-Maps and Diagrams. Crown 8vo., 35. 6d.

HALF-HOURS WITH THE TELESCOPE: a Popular Guide to the Use of the Telescope as a means of Amusement and Instruction. With 7 Plates. Fcp. 8vo., 2s. 6d.

NEW STAR ATLAS FOR THE LIBRARY, the School, and the Observatory, in Twelve Circular Maps (with Two Index-Plates). With an Introduction on the Study of the Stars. Illustrated by 9 Diagrams. Cr. 8vo., 55. THE SOUTHERN SKIES: a Plain and Easy Guide to the Constellations of the Southern Hemisphere. Showing in 12 Maps the position of the principal Star-Groups night after night throughout the year. With an Introduction and a separate Explanation of each Map. True for every Year. 4to., 5s.

HALF-HOURS WITH THE STARS: a Plain and Easy Guide to the Knowledge of the Constellations. Showing in 12 Maps the position of the principal Star-Groups night after night throughout the year. With Introduction and a separate Explanation of each Map. True for every Year. 4to., 35. 6d.

LARGER STAR ATLAS FOR OBSERVERS AND STUDENTS. In Twelve Circular Maps, showing 6000 Stars, 1500 Double Stars, Nebulæ, etc. With 2 Index-Plates. Folio, 155.

THE STARS IN THEIR SEASONS: an Easy Guide to a Knowledge of the Star-Groups. In 12 Large Maps. Imperial 8vo., 55. ROUGH WAYS MADE SMOOTH. Familiar Essays on Scientific Subjects. Crown 8vo., 35. 6d.

PLEASANT WAYS IN SCIENCE. Crown 8vo., 3s. 6d.

NATURE STUDIES. By R. A. PROCTOR, GRANT ALLEN, A. WILSON, T. FOSTER, and E. CLODD. Crown 8vo., 3s. 6d.

LEISURE READINGS. By R. A.

WILSON, T. FOSTER, and A. C. RANYARD.

PROCTOR, E. CLodd, A.
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MANUFACTURES, TECHNOLOGY, ETC.

BELL.-JACQUARD WEAVING AND DESIGNING. By F. T. BELL, Medallist in Honours and Certificated Teacher in Linen Manufacturing' and in Weaving and Pattern Designing,' City and Guilds of London Institute. With 199 Diagrams. 8vo.. 125. net.

LUPTON.-MINING. An Elementary Treatise on the Getting

of Minerals. By ARNOLD LUPTON, M.I.C.E., F.G.S., etc. With 596 Diagrams and Illustrations. Crown 8vo., 9s. net.

MORRIS AND WILKINSON. THE ELEMENTS OF COTTON SPINNING. By JOHN MORRIS and F. WILKINSON. With a Preface by Sir B. A. DOBSON, Č.E., M.I.M. E. With 169 Diagrams and Illustrations. Crown 8vo., 7s. 6d. net.

SHARP.-BICYCLES

AND TRICYCLES: an Elementary Treatise on their Design and Construction. With Examples and Tables. By ARCHIBALD SHARP, B.SC., Whitworth Scholar; Associate Member of the Institution of Civil Engineers. With 565 Illustrations and Diagrams. Crown 8vo., 155. TAYLOR.-COTTON WEAVING AND DESIGNING.

JOHN T. TAYLOR. With 373 Diagrams. Crown 8vo., 7s. 6d. net.

By

WATTS. AN INTRODUCTORY MANUAL FOR SUGAR GROWERS. By FRANCIS WATTS, F.C.S., F.I.C. With 20 Illustrations. Crown 8vo., 6s.

PHYSIOGRAPHY AND GEOLOGY.

BIRD.-Works by CHARLES BIRD, B.A.

ELEMENTARY GEOLOGY.

With Geological Map of the Crown 8vo., 2s. 6d.

British Isles, and 247 Illustrations. ADVANCED GEOLOGY. A Manual for Students in Advanced Classes and for General Readers. With over 300 Illustrations, a Geological Map of the British Isles (coloured), and a set of Questions for Examination. Crown 8vo., 75. 6d.

GREEN.-PHYSICAL GEOLOGY FOR STUDENTS AND GENERAL READERS. By A. H. GREEN, M.A., F.G.S. With 236 Illustrations. 8vo., 21S.

MORGAN.

-

ELEMENTARY

PHYSIOGRAPHY.

Treated Experimentally. By ALEX. MORGAN, M.A., D.Sc., F. R.S.E., Lecturer in Mathematics and Science, Church of Scotland Training College, Edinburgh. With 4 Maps and 243 Diagrams. Crown 8vo., 25. 6d.

THORNTON.-Works by J. THORNTON, M.A.

ELEMENTARY PRACTICAL PHYSIOGRAPHY (for Section I. of the New Syllabus of the Science and Art Department). With 215 Illustrations. Crown 8vo., 2s. 6d.

ELEMENTARY PHYSIOGRAPHY: an Introduction to the Study of Nature. With 12 Maps and 247 Illustrations. With Appendix on Astronomical Instruments and Measurements. Crown 8vo., 2s. 6d.

ADVANCED PHYSIOGRAPHY.

Illustrations. Crown 8vo., 45. 6d.

With 6 Maps and 203