Niw Sekies 



7oL. XXXVII. No. 963 



Friday, June 13, 1913 



SiKQLE Copies, 15 Cts. 

 Annual Sdbboription, $5.00 



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LIQUID AIR 

 OXYGEN AND NITROGEN 



By Geoeges Claude, Engineer Laureat of 

 the Institute of France. Translated by 

 H. E. P. CoTTRELL, Assoc. M.I.C.E. 

 With 151 Illustrations. Octavo. Cloth. 

 So. 50 postpaid. 



This book discusses the subject from a 

 thoroughly practical point of view, giving the 

 points that are of benefit in Lighting, Me- 

 tallurgy, Chemistry, Sanitation, Agriculture, 

 etc. It is a new book possessing entirely 

 original characteristics and thoroughly illus- 

 trated. 



THE PRINCIPLES OF 

 BIOLOGY 



Incltjdinq Brief Outlines for 

 Laboratory Work 



By J. I. Hamakeh, Professor of Biology, Ran- 

 dolph-Macon Woman's College, College 

 Park, Virginia. 267 Illustrations. 12mo. 

 469 pages. Cloth, $1.50 postpaid. 

 This book is divided into three parts. 

 Part I gives the fundamentals of plant or- 

 ganization and life processes. Part II does 

 the same for Animals. Part III discusses 

 the more important general biological 

 phenomena. 



THE PLANT 

 ALKALOIDS 



By Thomas A. Henry, D.Sc, F.C.S., Super- 

 intendent of Laboratories, Imperial Insti- 

 tute, England. Octavo. 473 pages. 

 Cloth. S5.00 postpaid. 

 Many of the Alkaloids are of great im- 

 portance in medicine, and the manufacture 

 of these alkaloids and products containing 

 them constitutes important branches of the 

 " fine chemical " industry. In this volume 

 the author describes not only the properties 

 and chemistry of the products but also their 

 occurrence, methods of estimation, and phy- 

 siological action, etc. 



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FOR THE 



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355 

 TITLES 



32 



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OTHER 



Illustra- 

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New 



Cbemistry 

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 Science 



Medicine, 

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GERMAN-ENGLISH 

 MEDICAL DICTIONARY 



2nd Edition 



By the late Dr. Hugo Lang, B.A. (Munich). 

 Second Edition, Edited and Revised by 

 Milton K. Meyers, M.D., Neurologist 

 to the Jewish Hospital Dispensary, and to 

 St. Agnes Hospital Dispensary, Philadel- 

 phia, etc. Octavo. 671 pages. Cloth. 

 S5. 00 postpaid. 



This new edition contains 4,400 definitions 

 in addition to the more than 45,000 publish- 

 ed in the last edition. These latter have 

 been carefully revised and corrected and the 

 book as it now stands should prove an indis- 

 pensable aid in the translation of German 

 medical literature. 



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physicsand chemistry 

 of colloids 



By Emil Hatschek. London. With illus- 

 trations. 12mo. Cloth. $1.00 postpaid. 

 This book is intended as an introduction 

 to the subject and gives the fundamental 

 facts and methods of this important branch 

 of chemistry. The subject is divided into 

 ten chapters and contains, besides the general 

 index, an index of names. 



EXAMINATION OF 

 WATERS AND WATER 



SUPPLIES (2nd Ed.) 



By John C. Thresh, M.D. (Vic), D.Sc. 

 (Lond.), Medical Officer of Health, Essex 

 County Council; Lecturer of Public 

 Health, London Hospital Medical College. 

 2nd edition. With 36 plates and 17 text 

 figures. Octavo. 664 pages. Cloth. 

 $5.00 postpaid. 

 This edition has been enlarged by 186 



pages and contains 17 more plates and 6 



more text figures than the first. 



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