14 SCIENCE ANB TEILOSOPEY. 



Elementary Treatise on Natural Philosophy. By A. Privat Descha- 



NEL, formerly I'rofessar of Physii^s in the Lycee Louis-Ie-Grand, Inspector of 

 the Academy of P.iris. Translated and edited, with Extensive Moditications, by 

 J. D. Everett. Professor of Natural Philosophy in the Queen's CoUejre, Belfast. 

 Oompleti- in Four Parts. Illustrated by 7>8 Engravings on Wood, and Three 

 Colored Plates. I. Mechanics, Hydrostatics, and Pneumatics. Svo. Cloth, 

 $1.51). II. Heat. Svo. Cloth, $1.50. III. Klectricity and Magnetism, bvo. 

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 With Problems and Index. Cloth, $5.70. Si.xth edition trevised). 



Outlines of Watural Philosophy. By J. D. Eveebtt. D. C. t., F. R. S., 



Piotessor of Natural Philosophy in the Queen's College, Belfast. Illustrated. 

 12mo. Cloth, $1.00. 



Natural Philosophy for General !Readers and Young- Persons. 



Translated and edited from Ganot s '■ Cours filementaire de Physique," by E. 

 Atkinson, Ph.D., F. C. S. With Frontispiece and 404 Woodcuts. 12mo. 

 Cloth, $3.00. 



Theory of Heat. By J. Cleek Maxwell. 16mo. Cloth, $1.50. 



Nature and Life. Facts and Doctrines relating to the Constitution of Matter, 

 the New Dynamics, and the Philosophy of Nature. By Feknand Papilion. 

 Translated from the second French edition by A. E. Macdonough. 12mo. 

 Cloth, $2.00. 



The Nature of Lig-ht, with a General Account of Physical Optics. 



By Dr. Ecgf.ne Lo.mmel, Professor of Physics in the University of Erlangen. 

 With ISS Illustrations, and a Plate of Spectra in Chromolithography. 12mo. 

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Liig-ht: A Series of Simple, Entertaining, and Inexpensive Experiments in the 

 Phenomena of Light By Prof. Alfred M. Mater, Ph. D., and Chables 

 Bakkabd. 12mo. Cloth, $1.00. 



Sound: A Series of Simple, Entertaininsr. and Inexpensive Experiments in the 

 Phenomena of Sound, for the use of Studenis of Every Ss^f^. IJy Alfrkd Mar- 

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 Fully illustrated. 12mo. Clotn, $1.00. 



Solar Light and Heat: The Source and the Supplv. Gravitation : with Ex- 

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Theory of Sound in its Relation to Music. Bv Prof. Pieteo Blasekna. 



12mo. Clolh, $1.50. 



POLITICAL ECONOMY, ETC. 



Hand-Book of Social Economy; or, The Worker's ABC. By Edmond 



ABOUT, riiiio. Cloth, $2.00. 



Physics and Politics; or. Thoughts on the Application of the Principles of 

 " Natural Selection" and '• Inheritance" to Pohtical Society. By Walter Bage- 

 HOT. 12mo. Cloth, .|1.50. 



The Science of Politics. By Sheldon Amos, M. A. 12mo. Cloth, $1.75. 



Chapters in Political Economy. By Alberts. Bolles, Lecturer on Politi- 

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Public Debts : An Essay in the Science of Finance. By Henry C. Adams. Ph. D., 

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Weights, Measures, and Money of all Nations. Compiled by F. W. 

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The Political "Writtng-s of Richard Cobden. Two vols. Svo. Cloth, 

 $6.00. 



