PUBI.ICATIONS IN THE 



PHYSICAL 



vSCIENCE5 



Astronomy and AstropKysics 



The Study of Stellar Evolution : A Popular 

 Account of Modem 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 modem observatory. The explana- 

 tions of mstrtiments 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 

 ^enes of plates. 



General Catalogue of Douhle Stars. By Sher- 

 burne VV. BURNHAM. With illustrations. 

 xxxii-|-29&pp., 4to, cloth; net, 14.00 ; post- 

 paid, 34.32. ■ 



Measures of Double Stars Made -with the Forty- 

 Inch Refractor of the Yerkes Observatory in 

 1900 and 1901. By Sherburne W. Burn- 

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

 paid, S1.05. 



Micrometrical Observations of Eros Made with 

 the Forty-Inch Refractor of the Yerkes Ob- 

 servatory during the Opposition of 1900 

 andigoi. By Edward E.Barnard. 40pp., 

 4E0, paper; net, 50 cents; postpaid, 53 cents. 



Asrrcnomical Photography with the Forty- 

 Inch Retractor and the Two-Foot ReSector 

 of the Yerkes Observatory. By George 



W. RiTCHEY. -With 29 plates. 12 pp.. 4to, 

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



plastischen Emdruck.' — Tecknucke Literatur, 



^i^^^®*^*^ *** Twenty Star? Having 

 spectra of the Orion Type, i i^^win B. 

 Frost and Walter s. Adams. With 3 

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

 paid, ;g 1.59. -^ -" ^ 



^J^ Spectra of Stars of Secchi^s Fourth 

 Type. By George E. Hale, Ferdinaxd 

 fc.LLERM4N, and John A. Parkhurst. With 

 II plates. 136 pp., 4to. paper; net, 42.0O; 

 postpaid, ;?2.ii. 



The H.::-iford Spectnjheliograph of the Yerkes 



OlHservatory . By George E. Hale and 

 Ferdinand Ellerman. With 26 plates. 



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



The Specrnim of the E.gh Potential 0is- 

 c&arie cetween ^Metallic Electrodes in 

 ^quids azi in c-a^es of Sigh Pressure. 

 By George E. Hale and Morton A. Kent. 



^^ ith 23 plates. 66 pp., 410, paper; net, 75 

 ceats; postpaid, 81 cents. 



Quantitative Classification of Igneous Rocks. 

 By Whitman Cross, Joseph Iddings, Louis 

 V'.PiRssoN, and Henry S. Washington. 286 

 pp., 8vo, cloth; net, ;$l.75; postpaid, $1.91. 



" The publication of this work by four of the leading 

 petrographers of America marks a distinct epoch in the 

 study of igneous rocks and the handling of chemical analyses 

 in petrographic investigations." — A merican Ckemtcat 

 you mat. 



"An important work." — Journal of American Chem- 

 ical Society, 



Glacial Studies in Greenland. By Thomas C. 



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



Pl:\:>^sics arid CHemistry 



Light Waves and Their Uses. By Albert 



A. Michelson, With 108 drawings and 3 

 colored plates. 174 pp., 8vo, cloth; net, |2.00; 

 postpaid, ^2.13. 



*'The presentation is so skilfully managed that the book 

 can scarcely fail to hold the interest of the general ^^^^^' 

 while at the same time physicists and astroDomers will find 

 in it much valuable inform'ation." — American Jcurnaiof 

 Science. 



Physical Chemistry in the Service of the 

 Sciences. By Jacobus H. van 't Hoff. 

 Translated by Alexander Smith. With 

 illustrations, xviii-f 126 pp., 8vo, cloth; net, 

 $1.50; 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. "—A'«<?zf/ft/^? and Scien- 

 tific N'eitfs (London). 



"Die Uebersetzung ist SLUsgczcichneC—^eitschri/t 

 fuT:^-Jtysikalische Chemie. 



The Role of Diffusion and Osmotic Piessare in 

 Plants. By Burton E. Livingston, xiv-i- 

 150 pp., S'yo, cloth; net, I1.50; postpaid, 

 $1.62. 



" An excellent and much-needed general treatment of the 

 diffusion and osmotic pressure in plants. The treatment 01 

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

 rable addition to the literature of physiological botany, 

 will be found indispensable to all students along t^ese 

 \va^:^— Plant World, 



A Laboratory Guide in Bacteriology- By 

 Paul G. Heinemann. vii-|-i43 PP» ^^"^^ 



cloth; net, gi'^o; postpaid, ii. 67. 



A Laboratory Outline of Physiological Chem- 

 istry. By Ralph W. Webster and Walde- 

 mar Koch. viii-(-i07 pp., 8vo, cloth; net, 

 $1.50; postpaid, 31.6S. 



Reprints from the Puhlicatl.ns of the hX&sr 



hie aab. The University of Chicago Press 

 is the sole American agent for these publica- 

 tions. The complete series is carried in 

 . stock. For details, send for Catalogue. 



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