THE INTERNATIONAL SCIENTIFIC SERIES.

THE VOLUMES ALREADY PUBLISHED ARE:

THE FORMS OF WATER IN RAIN AND RIVERS, ICE AND GLACIERS. Third Edition. By J. TYNDALL, LL.D., F.R.S. With 26 Illustrations. Crown 8vo. 5s. "One of Professor Tyndall's best scientific treatises."-Standard.

"The most recent findings of science and experiment respecting the nature and properties of water in every possible form, are discussed with remarkable brevity, clearness, and fulness of exposition."--Graphic.

"With the clearness and brilliancy of language which have won for him his fame, he considers the subject of ice, snow, and glaciers."-Morning Post.

"Before starting for Switzerland next summer every one should study 'The Forms of Water.'"-Globe.

"Eloquent and instructive in an eminent degree."—British Quarterly.

PHYSICS AND POLITICS; or, THOUGHTS ON THE APPLICATION OF THE PRINCIPLES OF "NATURAL SELECTION AND "INHERITANCE TO POLITICAL SOCIETY. Second Edition. By WALTER BAGEHOT. Crown 8vo. 4s.

"On the whole we can recommend the book as well deserving to be read by thoughtful students of politics."- Saturday Review.

"Able and ingenious."-Spectator.

"The book has been well thought out, and the writer speaks without fear."-National Reformer. "Contains many points of interest both to the scientific man and to the mere politician."-Birmingham Daily Gazette.

ON FOOD. By Dr. EDWARD SMITH. Second Edition. Profusely Illustrated. Price 5s.

MIND AND BODY: THE THEORIES OF THEIR RELATIONS. BY ALEXANDER BAIN, LL.D., Professor of Logic at the University of Aberdeen. Second Edition. Illustrated. Price 4s.

THE STUDY OF SOCIOLOGY. By HERBERT SPENCER. Price 5s.

ON THE CONSERVATION OF ENERGY. By Professor BALFOUR STEWART. Fourteen Engravings.

For complete List of the forthcoming Books in the Series, see the end of the book.

HENRY S. KING & Co. 65 CORNHILL, and 12 PATERNOSTER Row.

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