SCIENCE.-ADVERTISEMENTS. 



iii 



Important Scientific books Recently Published 



ABBOT, Brig.-Gen. Henry t. Late Consulting Engineer of the New Panama Canal 

 Company. 



Problems of the Panama Canal. Cloth, 12mo, $1.50 net (postage 12c.). 



ALLBUTT, T. Cliffortl, Universitij of Cambridge. 



System of Medicine and Ciynaecology. Complete in nine volumes. 



New and cheaper edition, $25.00, net, per set. 



BOTTOME, S. R. 



Radium, and All About it. 90 p 12mo, il., paper 35 cts.j net. 



BOl'NTON, William Pingry, University of Oregon. 



Applications of tlie Kinetic Theory of Gases, Vapors, Pure 

 Liquids, and tlie Theory of Solutions. 10-|-288 pp. 8vo, cl., $1.00 ne<. 



DEXTER, Edwin Grant, University of Illinois. 



Weather Influences. An Empirical Study of the Mental and Physiological 

 Eifects of Definite Meteorological Conditions. With Introduction by Cleveland Abbe, 

 LL.D. 1+280 pp. 8vo, cl., $2.00 net. 



GIBBOIVS, Edward E., University of Maryland, Baltimore. 



The Eye : its Refraction and Diseases. The Refraction and Func- 

 tional Testing of the Eye, Complete in Itself, in Twenty-eight Chapters with Numerous 

 Explanatory Cuts and Diagrams. 



9 -)- 472 pp. 4to, il., cl., $5.00 net, half morocco, $6.50 net. 



GOOCH, Frank Austin, Yale University, and WALKER, < laude Frederick. 



Outlines of Inorganic Chemistry. Cloth, 514 pp., $1.75 ne< (postage 18c.). 



METCALF, IVIaynard ifl., Woma7is College of Baltimo'e. 



An Outline of the Theory of Organic Evolution. With a Descrip- 

 tion of Some of the Phenomena which It Explains. 17-|-204 pp. 8vo, il. , cl., $2.50 net. 



NICHOLS, Edward L., and William S. FRAlVKHiV, Cornell University. 



The Elements of Physic. A College Text-Book. In Three Volumes. Vol- 

 ume I. — Mechanics and Heat. Third edition, rewritten with additions. 



10+290 pp. 8vo, cl., $1.90 net. 



RlGHl, Augusto, University of Bologna. Authorized Translation by Augustus Trowbridge, 

 University of Wisconsin. Modern Theory of Physical Phenomena. 



Radio-Activity, Ions, Electrons. 13+105 pp. 12mo, cl., $1.10 net. 



RUTHERFORD, E., McGill University, Montreal, 



Radio-Activity. 8+399 pp. 8vo, il., cl., $3.50 ne<. 



SHEARER, John S., Cornell University. 



Notes and Questions in Physics. New edition. 



7+284 pp. 8vo, il., cl., $1.00 net. 



SWENSON, Bernard Victor, and FRAXKENFIELD, Budd. 



Testing of Electro-Magnetic Machinery and other Apparatus. 



Vol. I.— Direct Current. 23+420 pp. Svo, il., cl, $3.00 net. 



WEYSSE, Arthur Wisswald, Massachusetts Institute of Technology. 



A Synoptic Text-book of Zoology. For Colleges and Schools. 



25+525 pp. Svo, cl., il., $4.00 net. 



WH1TTAKER,E.T., 7^nn% College, Cambridge. 



A Treatise on the Analytical Dynamics of Particles and Rig- 

 id Bodies. With an Introduction to the Problem of Three Bodies. 



13+414 pp. Imperial 8vo, cl., $4.00 ne<. 



W^ILLIS, J. C, Royal Botanic Gardens, Ceylon. 



A Manual and Dictionary of the Flowering Plants and Ferns. 



Second edition, revised and rearranged, in one volume. 



Cambridge Biological Series. 21 + 67 pp. 12mo, il., cl., $2.75 net. 



Postage on net books ordered of the publishers is uniformly an extra charge. 



By The Macmillan Company, 66 Fifth Ave., New York 



