846 



SCIENCE 



[N. S. Vol. XLIV. No. 1146 



W. J. Humphreys, U. S. Weather Bureau, Wash- 

 ington, D. C. 



Section C — Chemistry. — Vice-president, Pro- 

 fessor Julius Stieglitz, University of Chicago; 

 secretary, Dr. John Johnston, Geophysical Labora- 

 tory, Washington, D. C. 



Section D — Mechanical Science and Engineering. 

 — Vice-president, Dr. H. M. Howe, Columbia Uni- 

 versity; secretary, Professor Arthur H. Blanch- 

 ard, Columbia University, New York City. 



Section E — Geology and Geography. — Vice-presi- 

 dent, Professor R. D. Salisbury, University of Chi- 

 cago; secretary, Professor George P. Kay, Uni- 

 versity of Iowa. 



Section F- — Zoology. — Vice-president, Professor 

 G. P. Parker, Harvard University; secretary, Pro- 

 fessor Herbert V. Neal, Tufts College, Mass. 



Section G — Botany. — Vice-president, Dr. C 

 Stuart Gager, Brooklyn Botanical Garden; secre- 

 tary, Dr. A. P. Blakeslee, Cold Spring Harbor, 

 N. Y. 



Section E — Anthropology and Psychology. — 

 Vice-president, Dr. P. W. Hodge, Bureau of Amer- 

 ican Ethnology; secretary, Professor George Grant 

 MaeCurdy, Yale University, New Haven, Conn. 



Section I — Social and Economic Science. — Vice- 

 president, Louis P. Dublin, Metropolitan Life In- 

 surance Company; secretary, Seymour C. Loomis, 

 69 Church Street, New Haven, Conn. 



Section K — Physiology and Experimental Medi- 

 cine. — Vice-president, Professor Edwin O. Jordan, 

 University of Chicago; secretary, Professor C.-E. 

 A. Winslow, Yale University. 



Section L — Education. — Vice-president, Dr. L. P. 

 Ayres, The Russell Sage Foundation; secretary, 

 Dr. Stuart A. Courtis, Detroit, Mich. 



Section M — Agriculture. — Vice-president, Dr. W. 

 H. Jordan, director of the New York Agricultural 

 Experiment Station; secretary, Dr. E. W. Allen, 

 U. S. Department of Agriculture, Washington, 

 D. C. 



American Mathematical Society. — December 

 27 and 28. President, Professor Ernest W. Brown, 

 Yale University; secretary, Professor P. N. Cole, 

 501 West 116th St., New York, N. Y. 



Mathematical Association of America. — De- 

 cember 28, 29 and 30. President, Professor E. R. 

 Hedrick, University of Missouri; secretary, W. D. 

 Cairns, 5465 Greenwood Ave., Chicago, 111. 



American Astronomical Society. — December 

 26 to 30. President, Dr. E. C. Pickering, Harvard 

 College Observatory; secretary, Dr. Philip Pox, 

 Dearborn Observatory, Evanston, 111. 



American Federation of Teachers of the 

 Mathematical and the Natural Sciences. — 

 Council meeting. Secretary, W. A. Hedrick, Cen- 

 tral High School, Washington, D. C. 



American Physical Society.— December 26 to 

 30. President, Professor R. A. Millikan, University 

 of Chicago; secretary, Professor Alfred D. Cole, 

 Ohio State University, Columbus, Ohio. 



Optical Society of America. — December 28. 

 President, Dr. Perley G. Nutting, 3 Kodak Park, 

 Rochester, N. Y. 



American Chemical Society. — President, Dr. 

 Charles H. Herty, New York City; secretary, Dr. 

 C. L. Parsons, U. S. Bureau of Mines, Washing- 

 ton, D. C. 



American Electrochemical Society. — Chair- 

 man, New York Section, Dr. Colin G. Pink, Edison 

 Lamp Works, Harrison, N. J. 



Society for the Promotion of Engineering 

 Education. — President, Professor H. S. Jacoby, 

 Columbia University; secretary, Professor P. L. 

 Bishop, University of Pittsburgh, Pittsburgh, Pa. 



Illuminating Engineering Society. — Presi- 

 dent, W. J. Serrill; chairman, Committee on Reci- 

 procal Relations, Clarence L. Law, Irving Place 

 and 15th St., New York, N. Y. 



Association of American Geographers. — De- 

 cember 28 to 30. President, Dr. Mark Jefferson, 

 Michigan State Normal College, Ypsilanti, Mich.; 

 secretary, Professor Isaiah Bowman, Yale Univer- 

 sity, New Haven, Conn. 



American Alpine Club. — December 30. Presi- 

 dent, H. G. Bryant; secretary, Howard Palmer, 

 New London, Conn. 



American Society of Naturalists. — December 

 29. President, Dr. Raymond Pearl, Maine Agri- 

 cultural Experiment Station; secretary, Professor 

 Bradley M. Davis, University of Pennsylvania, 

 Philadelphia, Pa. 



American Society of Zoologists. — December 

 27, 28 and 29. President, Professor D. H. Ten- 

 nent, Bryn Mawr College; secretary, Professor 

 Caswell Grave, Johns Hopkins University, Balti- 

 more, Md. 



Entomological Society of America. — Decem- 

 ber 26 and 27. President, Dr. E. P. Pelt; secre- 

 tary, J. M. Aldrich, West Lafayette, Ind. 



American Association of Economic Entomol- 

 ogists. — December 28, 29 and 30. President, Dr. 

 C. Gordon Hewitt, Department of Agriculture, 

 Ottawa, Canada; secretary, Albert F. Burgess, Mel- 

 rose Highlands, Mass. 



