SCIENCE.— ADVERTISEMENTS. 



New Books on Chemistry and Other Sciences 



THE SCIENTIFIC FOUNDATIONS OF ANALYTICAL CHEMISTRY 

 TREATED IN AN ELEMENTARY MANNER second Edition R.vu>d. 



By WiLHELM OsTWALD, Ph.D., University of Leipzig, Author of " Outlines of General Chemistry." "A Manual of 

 Physical and Chemical Measurements," etc. Translated with the Author's sanction by Geo. McGowan, Ph.D. 



$2.00 net. 



INTRODUCTION TO PHYSICAL CHEMISTRY 



By James Walker, UniTersity College Dundee. Cloth. 8to. $3.00 ne^ 



THE CALCULATIONS OF ANALYTICAL CHEMISTRY 



By Edmund H.. Miller, Ph.D., Columbia University. Cloth. 8vo. $1.50 nei. 



Aims to furnish all the necessary information concerning the important chemical calculations required of 

 an analyst which every student should thoroughly understand before taking up advanced work. 



THE THEORY OF ELECTROLYTIC DISSOCIATION 



AND SOME OF ITS APPLICATIONS 



By Harbt C. Jones, Assoc, in Physical Chemistry, Johns Hopkins University. Cloth. $1.60 ntt. 



An account of the origin and development of the theory of electrolytic dissociation is followed by an examina- 

 tion of the important lines of evidence, and by a few applications in chemistry, physics and biology. 



THE RISE AND DEVELOPMENT OF THE LIQUEFACTION OF QASES 



By WiLLETT L. Hardin, Ph.D., University of Pennsylvania. Cloth. $1.50 



The object of this book is to give to the reader a complete popular history of the liquefaction of air and 

 other gases. The method of liquefying air is fully illustrated and its future possibilities briefly discussed. 



A SCHOOL CHEMISTRY for man schools and elementary classes in college. 



By John Waddell, Ph.D., D.Sc, formerly Asst. to the Prof, of Chemistry, Edinburgh University, Lecturer in 

 Chemistry, School of Mining, Kingston, Can., author of " The Arithmetic of Chemistry." 90 Cents net. 



A TEXT=BOOK OF PHYSIOLOGY 



Edited by E. A. Schafer, Jodrell Professor of Physiology, University College, London. 



Volume I., $8.00 net ; Volume IL, Just Read?/, $10.00 net. 

 Vol. L deals mainly with the chemical constitution and the chemical processes of the animal body, and with 

 those physical and chemical phenomena which are connected with the production and elaboration of the secre- 

 tions. Vol. II. will include the mechanics of the circulation and respiration and of special muscular movements, 

 the special senses, functions of the central nerve system. 



TEXT=BOOK OF PALAEONTOLOGY 



By Karl A. von Zittel, University of Munich. Translated and Edited by Charles R. Eastman, Ph.D., 

 Harvard University. English Edition, Revised and Enlarged by the Author and Editor in collaboration 

 with many specialists. Volume I. With 1,476 Woodcuts. 8vo. Cloth. Price, $6.00 net. 



HANDBOOK OF PRACTICAL BOTANY 



For the Botanical Laboratory and Private Student. By D. E. Steaseurger, University of Bonn. Trans- 

 lated and edited by W. Willhouse, University of Birmingham. Sth Edition, rewritten and enlarged. 

 With 1 59 original and a few additional illustrations. Cloth. 8vo. $2.60 net. 



BOTANY. AN ELEMENTARY TEXT FOR SCHOOLS 



By Prof. L. H. Bailey, Cornell University, Author of "Lessons, with Plants, etc." Illustrated. 



Half leather. $1.10 net. 



THE MACiHlLLAN COMPANY, 66 Fifth Ave., New York 



