INTERNATIONAL SCIENTIFIC SERIES. 



NOW READY. In 12mo, and bound in cloth. 



1. FORMS OF .WATER, in Gloud.s, Rain, Rivers, Ice, and Glaciers. By Prof. Johh 



Tyndall. *1.60. ^ ^^ „. . , 



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



of "Natural Selection" and "inheritance" to Political Society. By Waltee 

 Bagehot. $1.50. 

 8. FOODS. By Edwaed Smith, M.D.,1,L.B.,F.R.S. $1.75. 



4. MIND AND BODY. By Aiexandee Bain, LL. D. $1.50. 



5. THE STUDY OF SOCIOLOGY. By Heebeet Spencee. $1.60. 



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



versity. $2.00. 

 T. THE CONSERVATION OF ENERGY. By Prof. Balfoue Stewabt, LL.D., 

 P. R. 8. $1.50. 



8, ANIMAL LOCOMOTION: with a Dissertation on Aeronautics. By J. B. Petti- 



grew, M. D. Illustrated. $1.76. 



9. RESPONSIBILITY IN MENTAL DISEASE. By H. MAimsi-BT, M. D. $1.60. 



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



11. ANIMAL MECHANISM. A Treatise on Terrestrial and Aerial Locomotion. By 



E. J. Maeby. 117 Illustrations. $1.76. 



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



ENCE. By J. W. Deapee, M. D., LL. D. $1.75. 



13. THE DOCTRINE OF DESCENT, AND DARWINISM. By Prof. Osoae 



Schmidt, of Strasburg University. $1.50. 



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



VoGEL. 100 Illustrations. $2.00. i 



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



M. J. Bebeblby. 109 Illustrations. $1.50. 



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



Yale College. $1.50. 



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



Jevons. M. A., F.R. S. $1.75. 



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



of Spectra in Chromo-lithography. $2.00. 



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



of the University of Louvain. 83 Illustrations. $1.50. 



20. ON FERMENTATIONS. By P. ScHiJTZENBEEGEi!, Director at the Chemical 



Laboratory at the Sorbonne. 28 Illustrations. $1.50. 



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



versity of Halle. 19 Illustrations. $1.75. 



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



Pieteo Blaserna. Numerous Woodcuts. $1.50. 



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



trations. $2.50. 



24. A HISTORY OP THE GROWTH OF THE STEAM-ENGINE. By Robeet 



H. Thoebton, a. M.. C. E. 163 Illustrations. $2.50. 



25. EDUCATION AS A SCIENCE. By Alex. BilN, LL.D. $1.7.5. 



26. MODERN CHROMATICS. By Oqden N. Rood. Professor of Physics in Co- 



lumbia College. 130 original Illustrations. $2.00. 



27. THE HUMAN SPECIES. By A. Db Qhateepagbb. $2.00. 



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

 HnxLEY. 82 Illustrations. $1.75. 



29. THE ATOMIC THEORY. By Ad. Wuetz, Membre de rinstitut, etc. Trans- 

 lated by E. Clbminbhaw. $1.50. 



3D. ANIMAL LIFE AS AFFECTED BY THE NATURAL CONDITIONS OF 

 EXISTENCE. By Kaei. Sempee, Professor of the University of Wiirzburg 

 With 2 Maps and 106 Woodcuts. 



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