THE INTERNATIONAL SCIENTIFIC SERIES.

VOLUME VII.

II.

THE INTERNATIONAL SCIENTIFIC SERIES.

Works already Published.

1. FORMS OF WATER, IN CLOUDS, RAIN, Rivers, ICE, AND GLACIERS.
By Prof. JOHN TYNDALL, LL. D., F. R. S. 1 vol. Cloth. Price, $1.50.
PHYSICS AND POLITICS; OR, THOUGHTS ON THE APPLICATION OF
THE PRINCIPLES OF "NATURAL SELECTION" AND "INHERITANCE ΤΟ
POLITICAL SOCIETY. BY WALTER BAGEHOT, Esq., author of "The
English Constitution." I vol. Cloth. Price, $1.50.

III. FOODS. By EDWARD SMITH, M. D., LL. B., F. Ř. S. I vol. Cloth. Price, $1.75.

IV. MIND AND BODY: THE THEORIES OF THEIR RELATIONS. BY ALEX. BAIN, LL. D., Professor of Logic in the University of Aberdeen. I vol., 12mo. Cloth. Price, $1.50.

V. THE STUDY OF SOCIOLOGY. BY HERBERT SPENCER.

$1.50.

Price,

VI. THE NEW CHEMISTRY. By Prof. JOSIAH P. COOKE, Jr., of Harvard
University. 1 vol., 12mo. Cloth. Price, $2.00.

VII. THE CONSERVATION OF ENERGY. By Prof. BALFOUR STEW-
ART, LL. D., F. R. S. I vol., 12mo. Cloth. Price, $1.50.
VIII. ANIMAL LOCOMOTION; OR, WALKING, SWIMMING, AND FLYING,
WITH A DISSERTATION ON AERONAUTICS. By J. BELL PETTIGREW,
M. D., F. R. S. E., F. R. C. P. E. I vol., 12mo. Fully illustrated.
Price, $1.75.

IX.

RESPONSIBILITY IN MENTAL DISEASE. By HENRY MAUDS-
LEY, M. D. 1 vol., 12mo. Cloth. Price, $1.50.

X. THE SCIENCE OF LAW. By Prof. SHELDON AMOS. 1 vol., 12mo.
Cloth. Price. $1.75.

XI. ANIMAL MECHANISM. A TREatise on TerrESTRIAL AND AERIAL LOCOMOTION. By E. J. MAREY. With 117 Illustrations. Price, $1.75. XII. THE HISTORY OF THE CONFLICT BETWEEN RELIGIÓN AND SCIENCE. By JOHN Wм. DRAPER, M. D., LL. D., author of "The Intellectual Development of Europe. Price, $1.75.

XIII. THE DOCTRINE OF DESCENT, AND DARWINISM.

OSCAR SCHMIDT, Strasburg University. Price, $1.50.

By Prof.

XIV. THE CHEMISTRY OF LIGHT AND PHOTOGRAPHY. IN ITS APPLICATION TO ART, SCIENCE, AND INDUSTRY. By Dr. HErmann

VOGEL. 100 Illustrations.

Price, $2.00.

XV. FUNGI; THEIR NATUre, Influence, AND USES. M. A., LL. D. Edited by Rev. M. J. BERKELEY, M. 109 Illustrations. Price, $1.50.

By M. C. COOKE,

A., F. L. S. With

XVI. THE LIFE AND GROWTH OF LANGUAGE. By Prof. W. D. WHITNEY, of Yale College. Price, $1.50.

XVII. MONEY AND THE MECHANISM OF EXCHANGE.

By W.

STANLEY JEVONS, M. A., F. R. S., Professor of Logic and Political
Economy in the Owens College, Manchester. Price, $1.75.

XVIII. THE NATURE OF LIGHT, WITH A GENERAL ACCOUNT OF PHYSICAL
OPTICS. By Dr. EUGENE LOMMEL, Professor of Physics in the Uni-
versity of Erlangen. With 188 Illustrations and a Plate of Spectra in
Chromolithography. Price, $2.00.

XIX. ANIMAL PARASITES AND MESSMATES. By Monsieur VAN BENEDEN, Professor of the University of Louvain, Correspondent of the Institute of France. With 83 Illustrations. Price, $1.50.

XX. ON FERMENTATIONS. By P. SCHÜTZENBERGER, Director at the Chemical Laboratory at the Sorbonne. With 28 Illustrations. Price, $1.50.

XXI. THE FIVE SENSES OF MAN.

THE

CONSERVATION OF ENERGY.

BY

BALFOUR STEWART, LL. D., F. R. S.,

PROFESSOR OF NATURAL PHILOSOPHY AT THE OWENS COLLEGE, MANCHESTER.

D. APPLETON AND COMPANY,

549 & 551 BROADWAY.

1876.
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