THE INTERNATIONAL SCIENTIFIC SERIES.

VOLUME XX.

Works already Published.

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

ΤΟ

III. FOODS. By EDWARD SMITH, M. D., LL. B., F. R. 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. 1 vol., 12mo. Cloth. Price, $1.50.

V. THE STUDY OF SOCIOLOGY.

VI.

$1.50.

THE NEW CHEMISTRY.
University. 1 vol., 12mo.

By HERBERT SPENCER.

Price,

By Prof. JOSIAH P. COOKE, Jr., of Harvard Cloth. Price, $2.00.

VII. THE CONSERVATION OF ENERGY. By Prof. BALFOUR StewART, LL. D., F. R. S. 1 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. 1 vol., 12mo. Fully illustrated.
Price, $1.75.

IX. RESPONSIBILITY IN MENTAL DISEASE. BY HENRY MAUDS-
By
LEY, M. D.
Cloth. Price, $1.50.

I vol., 12mɔ.

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

X.
XI. ANIMAL MECHANISM.

A TREATISE ON TERRESTRIAL AND AËRIAL LOCOMOTION. By E. J. MAREY. With 117 Illustrations. Price, $1.75. XII. THE HISTORY OF THE CONFLICT BETWEEN RELIGION AND SCIENCE. By JOHN WM. DRAPER, M. I., LL. D., author of "The Intellectual Development of Europe." Price, $1.75.

XIII. THE DOCTRINE OF DESCENT, AND DARWINISM. By Prof. OSCAR SCHMIDT, Strasburg University. Price, $1.50.

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. By M. C. COOKE, M. A., LL. D. Edited by Rev. M. J. BERKELEY, M. A., F. L. S. With 109 Illustrations. Price, $1.50.

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

By Prof. W. D.

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.

ON

FERMENTATION

BY

P. SCHÜTZENBERGER

DIRECTOR AT THE CHEMICAL LABORATORY AT THE SORBONNE

WITH TWENTY-EIGHT ILLUSTRATIONS

NEW YORK:

D. APPLETON AND COMPANY,

549 AND 551 BROADWAY.

1876.