886 



SCIENCE 



[N. S. Vol. XLIV. No. 1147 



"The Atom and Chemical Valence," "by Gilbert 

 N. Lewis. Address of the chairman of the sec- 

 tion. 



"Molecular Resonance and Atomic Structure," 

 by Eobt. W. Wood. 



"The Eelations of Magnetism to the Structure 

 of the Atom, ' ' by "Win. J. Humphreys. 



"The Eelations of Magnetism to Molecular 

 Structure," by Albert P. Wills. 



"The Evolution of the Elements as Eelated to 

 the Structure of the Nuclei of Atoms, ' ' by Wm. D. 

 Harkins. 



" Electromerism, a Case of Chemical Isomerism 

 Eesulting from a Difference in Distribution of 

 Valence Electrons," by Lauder W. Jones. 



It is planned to secure speakers to open the 

 discussion; but, as the whole day is to be de- 

 voted to this question, it is hoped that others 

 will come prepared to contribute. 



The program of meetings of Section D — 

 Engineering — for the New York meeting is as 

 follows : 



10.00 A.M., Thursday, December 28, Eoom 402 

 Engineering Building, Columbia University. Ses- 

 sion for presentation of research papers in various 

 fields of engineering. Presiding officer, Dr. Henry 

 M. Howe. 



2.00 p.m., Thursday, December 28, Assembly 

 Hall, Automobile Club of America, 247 West 54th 

 Street. Joint session of Section D with Society 

 for the Promotion of Engineering Education, the 

 National Highways Association, the National Au- 

 tomobile Chamber of Commerce, and the Automo- 

 bile Club of America. Subject: "Highway Engi- 

 neering Instruction in Civil Engineering Cur- 

 ricula." Presiding officer, Dr. Hollis Godfrey, 

 first vice-president, Society for the Promotion of 

 Engineering Education. 



8.00 p.m., Thursday, December 28, Assembly 

 Hall, Automobile Club of America. Joint session 

 of Section D with the National Highways Associa- 

 tion, Citizens' Street Traffic Committee of Greater 

 New York, and the Automobile Club of America. 

 Subject: "Eesearch Papers in Highway Engi- 

 neering." Presiding officer, Dr. Henry M. Howe. 



8.30 P.M., Friday, December 29. Auditorium, 

 "United Engineering Societies Building, 29 West 

 39th Street. Joint session of Section D with the 

 American Society of Civil Engineers, American 

 Society of Mechanical Engineers, American Insti- 

 tute of Electrical Engineers and American Insti- 

 tute of Mining Engineers. Presiding officer, Dr. 

 Henry M. Howe, introduced by the president of 



the Engineering Poundation, Dr. Gano Dunn. Ad- 

 dress by retiring vice-president, Dr. Bion J. Ar- 

 nold. Addresses by representatives of the Na- 

 tional Engineering Societies re Interrelationship 

 of Engineering and Pure Science. Meeting to be 

 followed by a reception tendered to the American 

 Association for the Advancement of Science by 

 the National Engineering Societies. 



Section G — Botany — will hold a joint meet- 

 ing with the Botanical Society of America 

 and the American Bhytopathological Society 

 in the auditorium of Horace Mann School, 

 Broadway and 120th Street, on "Wednesday, 

 December 27, at 2 :00 p.m., when the program 

 will be as follows : 



' ' Geographical Distribution of the Marine 

 Alga" (vice-presidential address), by W. A. 

 Setchell. 

 Symposium on Eelations of Chemistry to Botany: 



' ' The Service of Chemistry to Botany, " by C. 

 L. Alsberg. (Discussion introduced by H. M. 

 Eiehards. ) 



"Antagonism and Permeability," by W. J. V. 

 Osterhout. (Discussion introduced by H. M. Bene- 

 dict.) 



"Physical Chemistry in the Service of Phyto- 

 geography," by J. A. Harris. (Discussion intro- 

 duced by B. E. Livingston.) 



The symposium will be followed by a short 

 business meeting of Section G-. The members 

 of Sections G and F are invited by the New 

 York Zoological Society to a reception and 

 smoker to be held at the New York Aquarium, 

 Battery Park, "Wednesday evening, Decem- 

 ber 27. 



Section L — Education — will hold its meet- 

 ings at Teachers College, on December 27, 28 

 and 29. The program of fifty papers dealing 

 with the scientific study of educational prob- 

 lems in many different fields of school work 

 should prove attractive to superintendents, 

 teachers and students of education. Many 

 persons well known for their educational work 

 will contribute to the program. Professor E. 

 L. Thorndike will discuss " The Reliability of 

 Certain Educational Tests " ; Dr. Abraham 

 Flexner, of the General Education Board, will 

 speak on the work of the board; Frank G. 

 Gilbreth and Lillian Moller Gilbreth, leaders 

 in the application of micro-motion study to 



