SCIENCE 



l^^ rrfrt „« Friday, February 11, 1921 \ ^"t """'■^ ^r^^- '^ C'^^- „„ 



Vol. LIII, No. 1363 ' ' \ i»p nnual Sobsckiption, J6.00 



'S ^ 



Recent BlakistonI ooks 



1 

 GORDON — French-English Medical ctionary 



A reference volume that has long been ne.aed ,- flaSoiiiiriSif;;^^ 



A new dictionary of modern French medical terms. With pronuncia- ' 



tion and definition of each word in English phonetics. 8vo.. Cloth, FEB 1 4 I'QPl 



$3.50 postpaid. ' " ' 



By Alfred Gordon, M.D. (Paris), formerly Associate in Mental ., , , 

 Diseases, Jefferson Medical College, Philadelphia. 



WILDER — A Laboratory Manual of Anthro- 

 pometry. 



Forty-three illustrations. Cloth, $3.00 postpaid. 

 By Harris H. Wilder, Ph.D., Professor of Zoology, Smith College, 

 Northampton, Mass, 



COPAUX-LEFFM ANN-Introduction to General 

 Chemistry 



An exposition of the principles of modern chemistry 



Thirty illustrations. 12 mo. x+iQS Pages. Cloth, ^2.00 postpaid. 

 By H. CopAUX, Professor of Mineral Chemistry, School of Industrial 

 Physics and Chemistry, Paris, France. Translated and with Appendix 

 by Henry Leffmann, A.M., M.D., Member American Chemical Society, 

 and British Society of Public Analysis. 



SMITH — Priestley in America 



Activities in America of the man whom chemists everywhere 

 revere— the discoverer of oxygen 



i6mo. v+ 1 73 pages. Cloth, 3i .50 postpaid. 

 By Edgar F. Smith, University of Pennsylvania. 



P. Blakiston's Son & Co., Publishers, Philadelphia 



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