Popular Lectures on Scientific Subjects. Translated by E. ATKINSON, F.C.S. With numerous Wood Engravings. 8vo. 12s. 6d.

On the Sensations of Tone, as a Physiological Basis for the Theory of Music. By H. HELMHOLTZ, Professor of Physiology in the University of Berlin. Translated by A. J. ELLIS, F.R.S. 8vo. 36s.

Ganot's Natural Philo

sophy for General Readers and Young Persons; a Course of Physics divested of Mathematical Formulæ and expressed in the language of daily life. Translated by E. ATKINSON, F.C.S. Second Edition, with 2 Plates and 429 Woodcuts. Crown 8vo. 7s. 6d.

By JOHN TYNDALL, F.R.S. Fifth Edition, with a New Introduction. Crown 8vo. 10s. 6d.

Heat a Mode of Motion. By JOHN TYNDALL, F.R.S. Fifth Edition, Plate and Woodcuts. Crown 8vo. 10s. 6d.

Sound. By JOHN TYNDALL, F.R.S. Third Edition, including Recent Researches on Fog-Signalling; Portrait and Woodcuts. Crown 8vo. price 10s. 6d.

Researches on Diamagnetism and Magne-CrystallicAction; including Diamagnetic Polarity. By JOHN TYNDALL, F.R.S. With 6 Plates and many Woodcuts. 8vo. 14s.

Treatise on Physics, Experimental and Applied, for the use of Colleges and Schools. Translated and edited Seventh by E. ATKINSON, F. C.S.

Edition, with 4 Coloured Plates and 758 Woodcuts. Post 8vo. 15s.

Arnott's Elements of Physics or Natural Philosophy. Seventh Edition, edited by A. BAIN, LL.D. and A. S. TAYLOR, M.D. F.R.S. Crown 8vo. Woodcuts, 12s. 6d.

The Correlation of Physical Forces. By the Hon. Sir W. R. GROVE, F. R.S. &c. Sixth Edition, with other Contributions to Science. 8vo. 15s. Weinhold's Introduction

to Experimental Physics; including Directions for Constructing Physical Apparatus and for Making Experiments. Translated by B. LOEWY, F.R.A.S. With a Preface by G. C. FOSTER, F. R. S. 8vo. Plates & Woodcuts 31s. 6d.

cular Physics in the domain of Radiant Heat. By JOHN TYNDALL, F.R.S. With 2 Plates and 31 Woodcuts. 8vo. 16s.

Six Lectures on Light,

delivered in America in 1872 and 1873.
Second
By JOHN TYNDALL, F.R.S.
Edition, with Portrait, Plate, and 59
Diagrams. Crown 8vo. 75. 6d.

Notes of a Course of Nine

Lectures on Light, delivered at the
Royal Institution. By JOHN TYNDALL,
F.R.S. Crown 8vo. Is. sewed, or
Is. 6d. cloth.

Notes of a Course of

Seven Lectures on Electrical Phenomena and Theories, delivered at the Royal Institution. By JOHN TYNDALL, F.R.S. Crown 8vo. Is. sewed, or Is. 6d. cloth.

A Treatise on Magnetism, General and Terrestrial. By H. LLOYD, D.D. D.C.L. 8vo. 10s. 6d.

chanics. By the Rev. S. HAUGHTON, F.R.S. Second Edition. 8vo. 21s.

the Wave-Theory of Light. By H. LLOYD, D. D. D. C. L. 8vo. 10s. 6d.

12

Mechanical and Physical, adapted for
the use of Artisans and of Students in
Public and Science Schools. Small
8vo. with Woodcuts, &c.

Anderson's Strength of Materials, 3s. 6d.
Armstrong's Organic Chemistry, 3s. 6d.
Barry's Railway Appliances, 3s. 6d.
Bloxam's Metals, 3s. 6d.
Goodeve's Mechanics, 3s. 6d.

Mechanism, 3s. 6d.

Griffin's Algebra & Trigonometry, 3/6. Jenkin's Electricity & Magnetism, 3/6. Maxwell's Theory of Heat, 3s. 6d. Merrifield's Technical Arithmetic, 3s. 6d. Miller's Inorganic Chemistry, 35. 6d. Preece & Sivewright's Telegraphy, 36. Shelley's Workshop Appliances, 35 6d. Thome's Structural and Physiological Botany, 6s.

Thorpe's Quantitative Analysis, 4s. 6d. Thorpe & Muir's Qualitative Analysis, price 35. 6d.

Tilden's Systematic Chemistry, 3s. 6d. Unwin's Machine Design, 3s. 6d. Watson's Plane & Solid Geometry, 3/6. ** Other Text-Books, in continuation of this Series, in active preparation.

The Comparative Ana

tomy and Physiology of the Vertebrate Animals. By RICHARD OWEN, F.R.S. With 1,472 Woodcuts. 3 vols. 8vo. £3. 13s. 6d.

Kirby and Spence's Introduction to Entomology, or Elements of the Natural History of Insects. Crown Svo. 5s.

Light Science for Leisure

Hours; Familiar Essays on Scientific
Subjects, Natural Phenomena, &c.
By R. A. PROCTOR, B.A. 2 vols.
crown 8vo. 7s. 6d. each.

Homes without Hands;

a Description of the Habitations of
Animals, classed according to their
Principle of Construction. By the Rev.
J. G. WOOD, M. A. With about 140
Vignettes on Wood. 8vo. 14s.

scription of the Habitations of Animals, abridged from 'Homes without Hands.' By the Rev. J. G. WOOD, M.A. With Frontispiece and 60 Woodcuts. Crown 8vo. 7s. 6d

Insects at Home; a Popu

lar Account of British Insects, their Structure, Habits, and Transformations. By the Rev. J. G. WoOD, M. A. With upwards of 700 Woodcuts. 8vo. price 145.

Insects Abroad; being a

Popular Account of Foreign Insects, their Structure, Habits, and Transformations. By the Rev. J. G. WOOD, M.A. With upwards of 700 Woodcuts. 8vo. 145.

Out of Doors; a Selection of Original Articles on Practical Natural History. By the Rev. J. G. WOOD, M.A. With 6 Illustrations. Crown 8vo. 7s. 6d.

Bible Animals; a Descrip

tion of every Living Creature mentioned in the Scriptures, from the Ape to the Coral. By the Rev. J. G. WOOD, M. A. With 112 Vignettes. Svo. 145.

The Polar World: a Pop

ular Description of Man and Nature in the Arctic and Antarctic Regions of the Globe. By Dr. G. HARTWIG. With Chromoxylographs, Maps, and Woodcuts. 8vo. 10s. 6d.

The Sea and its Living

Wonders.

By Dr. G. HARTWIG. Fourth Edition, enlarged. 8vo. with numerous Illustrations, 10s. 6d.

The Tropical World. By

Dr. G. HARTWIG. With about 200
Illustrations. 8vo. 10s. 6d.

Birds. By E. STANLEY, D.D. late
Bishop of Norwich. Fcp. 8vo. with
Woodcuts, 3s. 6d.

Rocks Classified and De

scribed. By B. VON COTta. English Edition by P. H. LAWRENCE (with English, German, and French Synonymes), revised by the Author. Post 8vo. 14s.

The Geology of England

and Wales; a Concise Account of the Lithological Characters, Leading Fossils, and Economic Products of the Rocks. By H. B. WOODWARD, F.G. S. Crown Svo. Map & Woodcuts, 14s. The Primæval World of Switzerland. By Professor OSWAL HEER, of the University of Zurich. Edited by JAMES HEYWOOD, M.A. F.R.S. President of the Statistical Society. With Map, 19 Plates, & 372 Woodcuts. 2 vols. 8vo. 28s.

The Puzzle of Life and

How it Has Been Put Together: a
Short History of Vegetable and Animal
Life upon the Earth from the Earliest
Times; including an Account of Pre-
Historic Man, his Weapons, Tools,
and Works. By A. NICOLS, F. R. G. S.
With 12 Illustrations. Crown 8vo. 5s.

The Origin of Civilisa

tion, and the Primitive Condition of
Man; Mental and Social Condition of
Savages. By Sir J. LUBBOCK, Bart.
M.P. F.R.S. Third Edition, with 25
Woodcuts. 8vo. 18s.

The Ancient Stone Im

plements, Weapons, and Ornaments of Great Britain. By JOHN EVANS, F.R.S.With 2 Plates and 476 Woodcuts... 8vo. 28s..

Literature, and Art. Re-edited by the late W. T. BRANDE (the Author) and the Rev. G. W. Cox, M.A. 3 vols. medium 8vo. 63s.

The History of Modern

Music, a Course of Lectures delivered
at the Royal Institution of Great
Britain. By JOHN HULLAH. Second
Edition. Demy 8vo. 8s. 6d.

Mr. Hullah's 2nd Course

of Lectures on the Transition Period of Musical History, from the Beginning of the Seventeenth to the Middle of the Eighteenth Century. Second Edition.. Demy 8vo. 10s. 6d.

Structural and Physio

logical Botany. By OTTO W. THOME, Professor of Botany at the School of Science and Art, Cologne. Translated and edited by A. W. BENNETT, M.A. B.Sc. F.L.S. Lecturer on Botany at St. Thomas's Hospital. With about 600 Woodcuts and a Coloured Map. Small 8vo. 6s.

The Treasury of Botany, or Popular Dictionary of the Vegetable Kingdom; with which is incorporated a Glossary of Botanical Terms. Edited by J. LINDLEY, F R.S. and T. MOORE, F.L.S. With 274 Woodcuts and 20 Steel Plates. Two Parts, fcp. 8vo. 12s.

Loudon's Encyclopædia

of Plants; comprising the Specific Character, Description, Culture, History, &c. of all the Plants found in Great Britain. With upwards of 12,000 Woodcuts. 8vo. 425.

mistry, Theoretical and Practical.
Re-edited, with Additions, by H.
MACLEOD, F.C.S. 3 vols. 8vo.

PART I. CHEMICAL PHYSICS,
Edition in the press.

New

PART II. INORGANIC CHEMISTRY, 21S. PART III. ORGANIC CHEMISTRY, New Edition in the press.

Health in the House:

Twenty-five Lectures on Elementary
Physiology in its Application to the
Daily Wants of Man and Animals.
By Mrs. C. M. BUCKTON. Crown 8vo.
Woodcuts, 25.

Outlines of Physiology,

Human and Comparative. By J.
MARSHALL, F. R.C.S. Surgeon to the
University College Hospital. 2 vols.
crown 8vo. with 122 Woodcuts, 325.

Study of Chemical Philosophy; or, the Principles of Theoretical and Systematic Chemistry. By W. A TILDEN, F.C.S. Small 8vo. 35. 6d. Select Methods in Chemical Analysis, chiefly Inorganic. By WM. CROOKES, F.R.S. With 22 Woodcuts. Crown 8vo. 12s. 6d.

A Dictionary of Chemistry and the Allied Branches of other Sciences. By HENRY WATTS, F.C.S. assisted by eminent Scientific and Practical Chemists. 7 vols. medium 8vo. £10. 16s. 6d.

Supplementary Volume,

completing the Record of Chemical Discovery to the year 1876.

[In preparation.

TENNIEL'S Edition, with 68 Wood Engravings from Original Drawings. Fcp. 4to. 21s.

Moore's Irish Melodies,

MACLISE'S Edition, with 161 Steel
Plates. Super royal 8vo. 215.

The New
New Testament,

Illustrated with Wood Engravings after
the Early Masters, chiefly of the Italian
School. Crown 4to. 635.

Sacred and Legendary Art. By Mrs. JAMESON. 6 vols. square crown 8vo. price £5. 15s. 6d. Legends of the Saints

and Martyrs. With 19 Etchings and 187 Woodcuts. 2 vols. 31s. 6d.

Orders. With 11 Etchings and 88
Woodcuts. I vol. 21s.

Legends of the Madonna.
With 27 Etchings and 165 Woodcuts.
I vol. 21s.

The History of our Lord,

with that of his Types and Precursors.
With
Completed by Lady EASTLAKE.
13 Etchings and 281 Woodcuts.
vols. 42s.

The Three

2

Cathedrals

dedicated to St. Paul in London; their History from the Foundation of the First Building in the Sixth Century to the Proposals for the Adornment of the Present Cathedral. By W. LONGMAN, F.S.A. With numerous Illustrations. Square crown 8vo. 21s.

The USEFUL ARTS,

MANUFACTURES, &c.

Practical Handbook; describing the different Tools required in the Workshop, the uses of them, and how to use them. By A. H. G. HOBSON. With 33 Woodcuts. Crown 8vo. 2s. 6d.

The Engineer's Valuing

Assistant. By H. D. HOSKOLD, Civil and Mining Engineer, 16 years Mining Engineer to the Dean Forest Iron Company. 8vo. [In the press. The Mea

Whitworth

suring Machine; including Descriptions of the Surface Plates, Gauges, and other Measuring Instruments made by Sir J. WHITWORTH, Bart. By T. M. GOODEVE, M. A. and C. P. B. SHELLEY, C.E. Fcp. 4to. with 4 Plates and 44 Woodcuts. [Nearly ready.

Industrial Chemistry; a

Manual for Manufacturers and for Col-
leges or Technical Schools; a Transla-
tion of Stohmann and Engler's German
Edition of PAYEN'S 'Précis de Chimie
Industrielle,' by Dr. J. D. BARRY.
With Chapters on the Chemistry of the
Metals, by B. H. PAUL, Ph.D. 8vo.
Plates & Woodcuts. [In the press.

Architecture, with above 1,600 Woodcuts. Revised and extended by W. PAPWORTH. 8vo. 52s. 6d.

Lathes and Turning, Sim

ple, Mechanical, and Ornamental. By W. H. NORTHCOTT. Second Edition, with 338 Illustrations. 8vo. 18s. Hints on Household

Taste in Furniture, Upholstery,
and other Details. By C. L. EAST-
LAKE. With about 90 Illustrations.
Square crown 8vo. 14s.

Handbook of Practical
Telegraphy. By R. S. CULLEY,
Memb. Inst. C.E. Engineer-in-Chief
of Telegraphs to the Post-Office. 8vo.
Plates & Woodcuts, 16s.

A Treatise on the Steam

Engine, in its various applications to Mines, Mills, Steam Navigation, Railways and Agriculture. By J. Bourne, C.E. With Portrait, 37 Plates, and 546 Woodcuts. 4to. 42s.

Recent Improvements in the Steam Engine. By J. Bourne, C.E. Fcp. 8vo. Woodcuts, 6s.

с