# The Conservation of Energy/Adverts

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3. FOODS. By Edward Smith, M.D., LL.B., F.R.S. $1.75.
4. MIND AND BODY. By Alexander Bain, LL.D. $1.50.
5. THE STUDY OF SOCIOLOGY. By Herbert Spencer. $1.50.
6. THE NEW CHEMISTRY. By Prof. Josiah P. Cooke, Jr. $2.00.
7. THE CONSERVATION OF ENERGY. By Prof Balfour Stewart. $1.50.
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9. RESPONSIBILITY IN MENTAL DISEASE. By H. Maudsley, M.D. $1.50.
10. THE SCIENCE OF LAW. By Prof. Sheldon Amos. $1.75.
11. ANIMAL MECHANISM. By E. J. Marey. 117 Illustrations. $1.75.
12. CONFLICT BETWEEN RELIGION AND SCIENCE. By J. W. Draper, M.D. $1.75.
13. THE DOCTRINE OF DESCENT, AND DARWINISM. By Prof. O. Schmidt. $1.50.
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. $1.50.
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-lithographv. $2.00.
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20. ON FERMENTATIONS. By P. Schutzenberger. $1.50.
21. THE FIVE SENSES OF MAN. By Prof J. Bernstein. $1.75.
22. THE THEORY OF SOUND IN ITS RELATION 10 MUSIC. By Prof. Pietro Blaserna. Numerous Woodcuts. $1.50.
23. STUDIES IN SPECTRUM ANALYSIS. By J. N. Lockyer. $2.50.
24. A HISTORY OF THE GROWTH OF THE STEAM-ENGINE. By Robert H. Thurston, A. M., C. E. 163 Illustrations. $2.50.
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27. THE HUMAN SPECIES. By A. De Quatrefages. $2.00.
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29. THE ATOMIC THEORY. By Ad. Wurtz, Membre de l'lnstitut, etc. Translated by E. Cleminshaw. $1.50.
30. ANIMAL LIFE AS AFFECTED BY THE NATURAL CONDITIONS OF EXISTENCE. By Prof. Karl Semper. $2.00.
31. SIGHT: An Exposition of the Principles of Monocular and Binocular Vision. By
Joseph Le Conte, LL.D. With numerous Illustrations. $1.50.
32. GENERAL PHYSIOLOGY OF MUSCLES AND NERVES. By Dr. I. Rosenthal. With 75 Woodcuts. $1.50.
33. ILLUSIONS: A Psychological Study. By James Sully. $1.50.
34. THE SUN. By C. A. Young. Ph.D., LL.D., Professor of Astronomy in the College of New Jersey. With numerous Illustrations. $2.00.
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