6 TEXT-BOOKS OF SCIENCE 



HAEPEE'S SCIENTIFIC MEMOIRS 



A new series of translations and reprints of scientific papers, many 

 of wliicli have never before appeared in English, and consequently 

 have been practically inaccessible to the great majority of American 

 students. They will embrace articles from the fields of Physics, 

 Astronomy, and Chemistry, and probably other sciences. 



The following Volumes are now ready or in prepa/ration : 



The Free BxPAi>rsios' of Gases. Memoirs by Gay- 

 Lnssac, Joule, and Joule and Thomson. Editor, Joseph 

 S. Ames, Ph.D., Johns Hopkins University, pp. 114. 

 75 cents ; by mail, 82 cents. 



Prismatic and Diffraction Spectra. Memoirs by 

 Joseph von Fraunhofer. Editor, Joseph S. Ames, 

 Ph.D., Johns Hopkins University, pp. 76. 60 cents ; 

 by mail, 66 cents. 



Eontgek Eays. Memoirs by Eontgen, Stolies, and J. J. 

 Thomson. Editor, Prof. George P. Barker, Univer- 

 sity of Penn. pp. viii., 76. 60 cents; by mail, 65 cents. 



The Modern Theory of Solution. Memoirs by Pfef- 

 fer, Van't Hofl, Arrhenius, and Eaoult. Editor, Dr. 

 H. C. Jones, Johns Hopkins University, pp. xiii., i34. 

 $1 00; by mail, II 07. 



On the Laws of Gases. Memoirs by Boyle, Amagat, 

 and Gay-Lussac. Editor, Prof. Carl Babus, Brown 

 University. > 



Newton's Law of Gravitation. Editor, Prof. A. S. 

 Mackenzie, Bryn Mawr College. 



The Second Law of Thermodynamics. Memoirs by 

 Oarnot, Clausius, and Thomson. Editor, Prof. W. F. 

 Magie, Princeton University. 



On the Properties of Ions. Memoirs by Kohlrausch 

 and Hittorf. Editor, Dr. H. M. Goodwin, Massachu- 

 setts Institute of Technology. 



Thb Faraday and Zeeman Effects. Memoirs by Far- 

 adajr, Kerr, and Zeeman. Editor, Dr. E. P. Lewis, 

 University of California. 



Wave-Theory of Light. Memoirs by Young and Fresnel. 



Editor, Prof. Henry Crew, Northwestern University. 



Uniform in size and style. 8vo, Cloth. 



NEW YORK HAEPEE & BEOTHEES London 



