PUBLIC A XIONS IN XHE 



PHYSICAI. iSCIENCE^ 



trosnom 



Astropfi;^" 



4 



The Study of Stellar Evolution : A Popular 

 Account of Modern Methods of Astrophysical 

 Research. By George E. Hale. 8vo, cloth. 



[In preparation.] 



Tells how the origin, development, and decay of celestial 

 bodies are studied in a modern observatory. The explana- 

 tions of instruments and methods are accompanied by illus- 

 trations, and the most recent photographs obtained with the 

 telescoi^s of the Yerkes Observatory are reproduced in a 

 series of plates. 



General Catalogue of Double Stars. By Sher- 

 burne W. BuRNHAM. With illustrations. 

 xxxH+296 pp., 4to, cloth; net, S4.00; post- 

 paid, $4.32. 



Measures of Double Stars Made with the Forty- 

 Inch Refractor of the Yerkes Observatory in 

 1900 and igoi. By Sherburne W. Burn- 

 ham. 76 pp., 4to, paper; net, ^i.oo; post- 

 paid, I1.05. 



Micrometrical Observations of Eros Made with 

 the Forty-Inch Refractor of the Yerkes Ob- 

 servatory during the Opposition of 1900 

 and 1 901. By Edward E.Barnard. 40pp., 



4to, paper; net, 50 cents; postpaid, 53 cents. 



Astronomical Photography with the Forty- 

 Inch Refractor and the Two-Foot Reflectoi 

 of toe Yerkes Observatory. Bv George 



W. RiTCHEY. With 29 plates. 1^2 pp., 4to, 

 paper; net, 75 cents; postpaid, 80 cents. 



plastischen Eindruck. '— Technische Literatur. 



Kaaiai velocities of Twenty Stars Having 

 Spectra of the Orion Type. By Edwin B 

 tRosT AND Walter S. Adams. With 3 



plates 108 pp., 4to, paper; net, $1.50; post- 

 paid, $1.59. ^ *' 



On the Spectra of Stars of Secchi's Fourth 

 Type. By George E. Hale, Ferdinand 

 ELLERMAis, and John A. Parkhurst. With 

 II plates. 136 pp., 4te, paper; net. fa.oo-. 

 postpaid, la.ii. 



The Romford SpectroheliOgraph of the Yerkes 

 Observatory. By George E. Hale and 

 Ferdinand Ellerman. With 26 plates. 

 IS pp., 4to, paper; net, 75 cents; postpaid, 81 



The 



charge 



Spectrum of 

 between 



the High Potential Dis- 

 Ti««4^ ^ MetaUic Electrodes in 



Liquids and in Gases of ffigh Pressure. 

 Bj George E. Hale and Morton A. Kent. 

 Wiui 23 plates. 66 pp., 4to, paper; net i^ 

 cents; postpaid, Si cenL ^ ^ ' '^^ 



Quantitative Classification of Igneous Rocks. 



By Whitman Cross, Joseph Iddings, Louis 

 V.PiRssoN, and Henry S. Washington. 286 



pp., 8vo, cloth ; net, $1.75; postpaid, ;pl. 91. 



'* The publication of this work by four of the leading 

 pctrographers of America marks a distinct epoch in the 

 study of igneous rocks and the handling of chemical analyses 

 in petrographic investigations." — American Chemical 

 yournal, 



*^An important work.*' — Journal of American Chefn- 

 ical Society, 



Glacial Studies in Greenland. By Thomas C. 



Chamberlin. 8vo, cloth. [In preparation.] 



Light Waves and Their Uses. By Albert 



A. MiCHELSON. With 108 drawings and 3 

 colored plates. 174 pp., 8vo, cloth; net, $i.50> 

 postpaid, 51-63 



**The presentation is so skilfully managed that the book 

 can scarcely fail to hold the interest of the genera! ^^^^^ 

 while at the same time physicists and astronomers will find 

 in it much valuable information," — American Journal of 

 Science^ 



Physical Chemistry in the Service of the 

 Sciences. By Jacobus H. van 't Hoff. 

 .Translated by Alexander Smith. With 



illustrations- xVin-\-i2b pp., 8vo, cloth; net, 

 51.50; postpaid, #1.62. 



" The volume is an unusually elegant one, which makes 

 a strong appeal to the book-lover as well as to the chemist. 

 —Journal of American Chemical Society. 



_'* Lucid, terse, concentrated." — Knowledge and Scien- 

 tific ^^eivs (London). 



"Die Uebersetzung ist ausgezeichnet." — Zeiischrift 

 fiir pkysikaliscke Chentie. 



The Role of Diffusion and Osmotic Pressure in 

 Plants. By Burton E. Livingston. xiv4- 



150 pp., 8vo, cloth; net, $1.50; postpaid, 

 11.62. 



"An excellent and much-needed general treatment of the 

 diffusion and osmotic pressure in plants. The treatment oi 

 the whole subject is clear and concise, and forms an admi- 

 rable addition to the literature of physiological botany, it 

 will be found indispensable to all students along tnese 

 Viu.^r -Plant World, 



A Laboratory Guide in Bacteriology. 



Paul G. Heinemann. vii-f 143 PP-» ^^^^' 



cloth; net, $1.50; postpaid, ^1.67. 



A Laboratory Outline of Physiological Chem- 

 istry. By Ralph W. Webster and Walde- 

 mar Koch. viii-(-io7 pp., 8vo, cloth; net, 

 $1.50; postpaid, $1.68. 



Reprints from the Publications of the Alem- 

 bic Club. The University of Chicago Press 

 is the sole American agent for these publica- 

 tions. The complete series is carried m 

 stock. For details, send for Catalogue. 



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