SCIENCE.- ADVERTISEMENTS. 



iii 



Important Scientific Books Recently Published 



ALLBUTT, T. (Jlifford, University of Cambridge. 



Sjsteiu of medicine and <i;5iiaecology. Complete in nine volumes. 



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



BOTTOBf E, S. R. 



Radium, and All About it. % p. I'imo, il., paper 3-5 cts., net. 



BOIWTOX, William Pingry, UniveraHu of Oregon. 



ApplicatiouM of the Kinetic Theory of Ga!«e!>i, Vapors, Pure 

 L.iquid!$, and the Tlieoryof Solution*^. 10-|-288 pp. 8vo, cl., $1.60 



DJCXTER, Edwin tirant. Unicersiiy of niino,.';. 



Weather Iiitluences. An Empirical Study of the Mental and Phy.siological 

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

 LL.U. . 86 pp. 8vo, cl., 12.00 nc<. 



€ilBBO^S, £dward E., University of Maryland, Baltimore. 



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

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

 Explanatory Cuts and Diagrams. 



9-)- 472 pp. 4to, il., cl., 55.00 net, half morocco, $6.50 net. 



HASTINGS, William W. 



A Jtlanual for Physical Itf easnrements. For use in Normal Schools, 

 Public and Preparatory Schools, Boys' Clubs, Girls' Clubs, and Young Men's Chris- 

 tain Associations, with Anthropometric Tables lor Each Height for Each Age and Sex 

 from Five to Twenty Years and Vitality Coefficients. 



Edition for Boys and Girls. 18-|-122 pp. Large 4to, il., cl., $2.00 net. 



Edition for Boys. 15-j-95 pp. Large 4to, il., cl., $1.50 net. 



METCALF, Maynard IW., Woman's College of Baltimore. 



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

 tion of Some of the Phenomena which It Explains. 17-f204 pp. 8vo, il. , cl., $2.50 net. 



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



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

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



10-f290 pp. 8vo, cL, $1.90 net. 



RIGIII, Augusto, University of Bologna. Authorized Translation by Auoostus Trowbridqe, 

 University of Wisconsin, modern Theory of Physical Phenomena. 



Radio-Activity, Ions, Electrons. 13-|-165 pp. ]2mo, cl., $1.10 net. 



RUTHERFORD, E., il/c(?i7^ University, Montreal. 



Radio-ActiTity. 8+399 pp. 8vo, il., cl., $3.50 wc<. 



SHEARER, John S., Cornell University. 



iVotes and Questions in Physics. New edition. 



7+284 pp. 8vo, il., cl., $1.60 net. 



SWENSON, Bernard Victor, and FRAIVKENFIELD, Budd. 



Testing of Electro-Magnetic Machinery and other Apparatus. 



Vol. I.— Direct Current. 23+420 pp. 8vo, 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. 8vo, cl., 11., $4.00 net. 



WH1TTAKER,E. T., rrm/iy College, Cambridge. 



A Treatise on the Analytical Dynamics of Particles and Rig- 

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



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



WILLIS, J. C, Royal Botanic Gardens, Cei/lon. 



A Manual and Dictionary of the Flowering Plants and Ferns. 



Second edition, revised and rearranged, in one volume. 



Cambiii/ge Biological Scries. 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 



