INTERNATIONAL SCIENTIFIC SERIES. 



KO"W READY. In 12mo, and bound in cloth. 



1. FORMS OP WATER, in piouds, Rain, Rivers, Ice, and Glaciers. By Prof. John 



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2. PHYSICS AND POLITICS ; or, Thouffhts on tlie Application of the Principles 



of "Natural Selection" and "Inheritance" to Political Society. By Walter 

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 8. FOODS. By Edivaed Smith, M.D.,LL.B,,F.E. S. $1,75. 



4. MIND AND BODY. By Alexander Bain, LL.D. $1.60. 



5. THE STUDY OP SOCIOLOGY. By Hekbeiit Spencer. $1.60. 



6. THK NEW CHEMISTRY. By Prof. JosiAll P. Cooke, Jr., of Harvard Uni- 



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7. THE CONSERVATION OF ENERGY. By Prof. Balfour Stewakt, LL.D., 



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8. ANIMAL LOCOMOTION; with a Dissei-tation on Aeronautics. By J. E. Petti- 



grew. M.D. Illustrated. $1.75. 



9. RESPONSIBILITY IN MENTAL DISEASE. By H. Matosley, M. D. $1.60. 



10. THE SCIENCE OF LAW. By Prof. Sheldon Amos. $1.76. 



11. ANIMAL MECHANISM. A I'reatise on Terrestrial and Atrial Locomotion. By 



E. J. Marey. 117 Illustrations. $1.76. 



12. THE HISTORY OF THE CONFLICT BETWEEN RELIGION AND SCI- 



ENCE. By J. W. Draper, M. D., LL. D. $1.7,6. 

 18. THE DOCTRINE OP DESCENT, AND DARWINISM. By Prof. Oscar 

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14. THE CHEMISTRY OF LIGHT AND PHOTOGRAPHY. By Dr. Hermann 



VoGEL. 100 Illustrations. $2.00. 



15. FUNGI ; their Nature, Influence, and Uses. By M. C. Cooke, LL. D. Edited by 



M. J. Berkeley. 109 Illustrations. $1.60. 



16. THE LIFE AND GROWTH OP LANGUAGE. By Prof. W. D. Whitney, of 



Yale College. $1.50. 



17. MONEY AND THE MECHANISM OF EXCHANGE. By W. Stanley 



Jevons. M. a., p. R. S. $1 .78. 



18. THE NATURE OP LIGHT. By Dr. E. Lommel. 88 Illustrations and a Plate 



of Spectra in Chromo-llthography. $2.00. 



19. ANIMAL PARASITES AND MESSMATES. By M. Tan Beneden, Professor 



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20. ON FERMENTATIONS. By P. Schijtzenbergeti, Director at tho Chemical 



Laboratory at the Sorbonne. 28 Illustrations. $1.50. 



21. THE FIVE SENSES OF MAN. By J. Bernstein, O. O. Professor in the Uni- 



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22. THE THEORY OF SOUND IN ITS RELATION TO MUSIC. By Prof. 



Pietro Blaserna. Numerous Woodcuts. $1.50. 



23. STUDIES IN SPECTRUM ANALYSIS. By J. Nokman Lockyer. Illus- 



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24. A HISTORY OF THE GROWTH OF THE STEAM-ENGINE. By Robert 



H. Thiteston, a. M.. C. E. 163 Illustrations. $2.60. 

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26. MODERN CHROMATICS. By Ogden N. Rood, Professor of Physics iu Co- 



lumbia College. 130 original Illustrations. $2.00. 



27. THE HUMAN SPECIES. By A. De Quateefages. $2.00. 



28. THE CRAYFISH : An Introduction to the Study of Zoology. By Prof. T. H. 



HtrxLEY. 82 Illustrations. $1.75. 



29. THE ATOMIC THEORY. By Ad. Wuktz, Membre de I'lnstitut, etc. Trans- 



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 80. ANIMAL LIFE AS AFFECTED BT THE NATURAL CONDITIONS OF 

 EXISTENCE. By Karl Sempek, Professor of the University of Wurzburg. 

 With 2 Maps and 106 Woodcuts. 



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