INTERNATIONAL SCIENTIFIC SERIES.

Each Book Complete in One Volume. Crown 8vo. cloth.

I. FORMS of WATER: a Familiar Exposition of the Origin
and Phenomena of GLACIERS. By J. TYNDALL, LL.D., F.R.S.
With 25 Illustrations. Ninth Edition. 5s.

II. PHYSICS and POLITICS; or, Thoughts on the Application
of the Principles of Natural Selection' and 'Inheritance' to Political
Society. By WALTER BAGEHOT. Eighth Edition. 4s.

III. FOODS. By EDWARD SMITH, M.D., LL.B., F.R.S. With numerous
Illustrations. Ninth Edition. 5s.

IV. MIND and BODY: the Theories of their Relation. By
ALEXANDER BAIN, LL.D. With Four Illustrations. Seventh Edition. 4s.
V. The STUDY of SOCIOLOGY. BY HERBERT SPENCER. Twelfth

Edition. 5s.

VI. On the CONSERVATION of ENERGY. By BALFOUR
STEWART, M.A., LL.D., F.R.S. With 14 Illustrations. Sixth Edition. 5s.
VII. ANIMAL LOCOMOTION; or, Walking, Swimming, and
Flying. By J. B. PETTIGREW, M.D., F.R.S., &c. With 130 Illustrations.
Third Edition. 5s.

VIII. RESPONSIBILITY in MENTAL DISEASE. By HENRY
MAUDSLEY, M.D. Fourth Edition. 5s.

IX. The NEW CHEMISTRY. By Professor J. P. COOKE, of the
Harvard University. With 31 Illustrations. Eighth Edition. 5s.

X. The SCIENCE of LAW. By Professor SHELDON AMOS.
Edition. 5s.

Sixth

XI. ANIMAL MECHANISM: a Treatise on Terrestrial and Aërial
Locomotion. By Professor E. J. MAREY. With 117 Illustrations.
Edition. 5s.

Third

XII. The DOCTRINE of DESCENT and DARWINISM. By
Professor OSCAR SCHMIDT (Strasburg University). With 26 Illustrations
Seventh Edition. 5s.

London: KEGAN PAUL, TRENCH, & CO., 1 Paternoster Square.

The International Scientific Series-continued.

XIII. The HISTORY of the CONFLICT between RELIGION and SCIENCE. By J. W. DRAPER, M.D., LL.D. Edition. 5s.

Nineteenth

XIV. FUNGI: their Nature, Influences, Uses, &c. By M. C COOKE, M.A., LL.D. Edited by the Rev. M. J. BERKELEY, M.A., F.L.S. With numerous Illustrations. Third Edition. 5s.

XV. The CHEMICAL EFFECTS of LIGHT and PHOTOGRAPHY. By Dr. HERMANN VOGEL (Polytechnic Academy of Berlin). Translation thoroughly revised. With 100 Illustrations. Fourth Edition. 58.

XVI. The LIFE and GROWTH of LANGUAGE. BY WILLIAM DWIGHT WHITNEY. Fifth Edition.

58.

XVII. MONEY and the MECHANISM of EXCHANGE. By W. STANLEY JEVONS, M.A., F.R.S. Eighth Edition. 5s.

XVIII. The NATURE of LIGHT, with a General Account of PHYSICAL OPTICS. By Dr. EUGENE LOMMEL. With 188 Illustrations and a Table of Spectra in Chromo-lithography. Fourth Edition. 5s.

XIX. ANIMAL PARASITES and MESSMATES. By Monsieur

VAN BENEDEN. With 83 Illustrations. Third Edition. 5s.

XX. FERMENTATION. By Professor SCHÜTZENBERGER.

28 Illustrations. Fourth Edition. 5s.

With

XXI. The FIVE SENSES of MAN. By Professor BERNSTEIN,

With 91 Illustrations. Fifth Edition. 5s.

XXII. The THEORY of SOUND in its RELATION to MUSIC. By Professor PIETRO BLASERNA. With numerous Illustrations. Third Edition. 5s.

XXIII. STUDIES in SPECTRUM ANALYSIS. By J. NORMAN LOCKYER, F.R.S. With Six Photographic Illustrations of Spectra, and

numerous Engravings on Wood. Third Edition. 6s. 6d.

XXIV. A HISTORY of the GROWTH of the STEAM ENGINE. By Professor R. H. THURSTON. With numerous Illustrations. Third Edition. 6s. 6d.

London: KEGAN PAUL, TRENCH, & CO., 1 Paternoster Square.

The International Scientific Series-continued.

XXV. EDUCATION as a SCIENCE. By ALEXANDER BAIN, LL.D.

Sixth Edition. 5s.

XXVI. The HUMAN SPECIES. By Professor A. DE QUATREFAGES,

Membre de l'Institut. Fourth Edition. 5s.

XXVII. MODERN CHROMATICS. With Application to Art and Industry. By OGDEN N. ROOD. Second Edition. With 130 original Illustrations. 5s.

XXVIII. The CRAYFISH: an Introduction to the Study of Zoology. By T. H. HUXLEY, F.R.S. Fourth Edition. With 82 Illustrations. 5s.

XXIX. The BRAIN as an ORGAN of MIND. By H. CHARLTON BASTIAN, M.D. Third Edition. With 184 Illustrations. 58.

XXX. The ATOMIC THEORY. By Professor A. WURTZ. Translated by E. CLEMINSHAW, F.C.S. Fourth Edition. 5s.

XXXI. The NATURAL CONDITIONS of EXISTENCE as they affect Animal Life. By KARL SEMPER. Third Edition. With 2 Maps and 106 Woodcuts. 5s.

XXXII. GENERAL PHYSIOLOGY of MUSCLES and NERVES. By Prof. J. ROSENTHAL. Third Edition. With Illustrations. 58.

XXXIII. SIGHT: an Exposition of the Principles of Monocular and Binocular Vision. By JOSEPH LE CONTE, LL.D. Second Edition. With 132 Illustrations. 5s.

XXXIV. ILLUSIONS: a Psychological Study. By JAMES SULLY. Second Edition. 5s.

XXXV. VOLCANOES: what they are and what they teach. By JOHN W. JUDD, F.R.S. Third Edition. With 92 Illustrations. 5s.

XXXVI, SUICIDE: an Essay on Comparative Moral Statistics. By Professor H. MORSELLI. Second Edition. 58.

XXXVII. THE BRAIN AND ITS FUNCTIONS.

By J. Luys,

Physician to the Hospice de la Salpêtrière. With numerous Illustrations. Second Edition. 58.

XXXVIII. MYTH AND SCIENCE: an Essay. By TITO VIGNOLI.

Third Edition. 5s.

XXXIX. THE SUN. By C. A. YOUNG, Ph.D., LL.D. Second Edi

With numerous Illustrations. 5s.

London: KEGAN PAUL, TRENCH, & CO., 1 Paternoster Square.