THE INTERNATIONAL SCIENTIFIC SERIES. 



Works already Published. 



I. THE FORMS OF WATER IN RAIN AND RIVERS, ICE AND 

 GLACIERS. By J. Tyndall, LL.D., F. R. S. With 26 Illustrations. 

 Price, $1.50. 



II. PHYSICS AND POLITICS ; or, Thoughts on the Application of 

 THE Principles of "Natural Selection" and "Inheritance" 

 to Political Society. By Walter Bagehot. Price, $1.50. 



III. FOODS. By Dr. Edward Smith. Illustrated. Price, $1.75. 



IV. MIND AND BODY: the Theories of their Relations. By 



Alexander Bain, LL.D. Price, $1.50. 



V. THE STUDY OF SOCIOLOGY. By Herbert Spencer. Price, $1.50. 



VI. THE NEW CHEMISTRY. By Professor Josiah P. Cooke, of Har- 

 vard University. Illustrated. Price, $2.00. 



VIL ON THE CONSERVATION OF ENERGY. By Professor Bal- 

 four Stewart. Fourteen Engravings. Price, $1.50. 



VIII. ANIMAL LOCOMOTION; or, Walking, Swimming, and Flying. 



By Dr. J. B. Pettigrew, M. D., F. R. S. 119 Illustrations. Price, 

 $1.75. 



IX. RESPONSIBILITY IN MENTAL DISEASE. By Dr. Henry 

 Maudsley. Price, $1.50. 



X. THE SCIENCE OF LAW. By Professor Sheldon Amos. Price, 

 $1.75. 



XL ANIMAL MECHANISM; or, Aerial and Terrestrial Locomo- 

 tion. By C. J. Marey, Professor of the College of France; Member of 

 the Academy of Medicine, Paris. 117 Engravings. 



