SCIENCE 



New Series Friday May 12 1922 Single Copies, 15 Cts. 



Vol. LV, No. 1428 ' "^' "^ Annual Subscription, i 



SOME MODERN SCIENCE BOOKS 



Civic and Economic Biology — ATWOOD 



A Textbook for Students. Subject presented in the form of seven units. 



By Wm. H. Atwood, M.A., M.S., Milwaukee State Normal School, 364 illus. Cloth, $1.68 



Interesting Neighbors — JENKINS 

 Nature Stories for Boys and Girls. 



By Prof. Oliver P. Jenkins, Stanford University, 81 Illus. Cloth, $1.12 



Microbiology — MARSHALL 



3d Edition by various writers. Edited by Prof. C. E, Marshall, Mass. Agric. College, 200 Illus- 

 trations. Cloth, $4.00 

 Health of the Industrial Worker— COLLIS & GREENWOOD 



By E. L. CoLLis, M.D., M.\jor Greenwood, M.D., A. J. Collis, INI.D., (Eng.) 38 Illus. Cloth, $7.00 



Microtomist's Vade Mecum — LEE 



8th Edition. By A. B. Lee; Edited by J. B. Gatenby, Sc.D. (Lond.) With collaboration of Emi- 

 nent Physicians. Illustrated. Cloth, $6.50 



Mind and Its Disorders^ — STODDART 



By ^^'. H. B. Stodd.\rt, M.D., London. 4th Revised Edition. 8=; Illus. Cloth, $7.50 



MentaUy Deficient Children — ^Treatment, Training — SHUTTLEWORTH & POTTS 

 By G. E. Shuttleworth, M.D. (Lond.) and \V. A. Potts, M.D. (Eng.) 5th Edition, Revised, 

 Illustrated. Cloth, $3.25 



Types of Mental Defectives — BARR & MALONEY 



By Martin W. Barr, M.D. (Penna. Training School) and E. F. Malonev, A.B. (Girard College) 

 Illustrated. Cloth, $3.00 



Dairy Bacteriology — ORLA-JENSEN 



By Orla-Jensen, Ph.D. (Copenhagen) Transbted by P. S. Arup, Sc.B. (Lond.) 



70 Illustrations. Cloth, $3.00 



Food Products, Their Source, Chemistry, Use — BAILEY 



2d Edition. By E. H. S. B.\iley, Ph.D., Universitv of Kansas. 92 Illustrations..;.-'*""'''pJotH, |2.'S0-. 



Detection of Poisons and Powerful Drugs— AUTENREITH /S^"^" • 



5th Revised Edition, Translated by Wm. H. Warren, M.D. Illustrated. /Cv'"" Cloth, $3.50 



Volumetric Analysis — HAMPSHIRE 



3d Revised Edition. By Charles H. H.\mpshiri:. ScB. (Lond.) pJi" |^lAY (i:ioth,:$i.7S 



Textbook of Organic Chemistry — CHAMBERLAIN 



By losEPH ScuDDER Ch.\mberlain, Ph.D., Mass. Agricultural College. 



Organic Chemistry, Volume II — RICHTER-D'ALBE 



By Richard Von Richter; Translated by E. E. Focrnier D'Albe, D.S 



Colloid Chemistry of the Proteins — PAULI 



By Dr. W. Pauli (Vienna) Translated by P. C. L. Thorne, M.A. (Lond.) Illus. Cloth, $2.23 



Physics and Chemistry of Colloids — HATSCHEK 



By E.MiL Hatschek (Lond.) 4th Edition, Illustrated. Cloth, $2.25 



Ammonia and Its Nitrides — MAXTED 



By E. B. Maxted, Ph.D. (Lond.) Illustrated. Cloth, $2.00 



Qualitative Chemical Analysis — ^TOWER 



4th Edition, By Olin F. Tower, Ph.D., Western Reserve University. Cloth, $1.50 



Chemical Reactions and Their Equations — HACKH 



By Ingo W. D. IIackh, Ph.C, (San Francisco) Cloth, $1.75 



Philosophy and the New Physics — ROUGIER 



By Louis Rougier (Paris), Translated by Morton Masius, Ph.D. (Worcester) Cloth, $1.75 



P. BLAKISTON'S SON & CO. 



Publishers Philadelphia 



