December 27, 1907] 



SCIENCE 



905 



secretary, Professor A. T>. Cole, Vassar College, 

 Poughkeepsie, N. Y. 



Section U, Chemistry. — Vice-president, Professor 

 H. P. Talbot, Massachusetts Institute of Technol- 

 ogy; secretary. Professor Charles L. Parsons, New 

 Hampshire College, Durham, N. H. 



Section D, Mechanical Science and Engineering. 

 —Vice-president, Professor Olin H. Landreth, 

 Union College; secretary, Professor Wni. T. Ma- 

 gruder, Ohio State University, Columbus, Ohio. 



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

 dent, Professor J. P. Iddings, University of Chi- 

 cago; secretary. Dr. Edmund 0. Hovey, American 

 Museum of Natural History, New Yorlv City. 



Section F, Zoology. — Vice-president, Professor 

 E. B. Wilson, Columbia University; secretary. 

 Professor C. Judson Herriek, University of Chi- 

 cago. 



Section G, Botany. — Vice-president, Professor 

 C. E. Bessey, University of Nebraska ; secretary. 

 Professor F. E. Lloyd, Desert Botanical Labora- 

 tory, Tucson, Arizona. 



Section H, Anthropology and Psychology. — Vice- 

 president, Professor Franz Boas, Columbia Uni- 

 versity; secretary, Greorge H. Pepper, American 

 Museum of Natural History, New York City. 



Section I, Social and Economic Science. — Vice- 

 president, Dr. John Franklin Crowell, New York 

 City; secretary. Professor J. P. Norton, Yale Uni- 

 versity, New Haven, Conn. 



Section E, Physiology and Experimental Medi- 

 cine. — Vice-president, Dr. Ludvig Hektoen, Uni- 

 versity of Chicago; secretary. Dr. Wra. J. Gies, 

 College of Physicians and Surgeons, Columbia 

 University, New York City. 



Section L, Education. — Vice-president, Hon. 

 Elmer E. Brown, U. S. Commissioner of Educa- 

 tion; acting secretary. Professor Edward L. Thorn- 

 dike, Teachers College, Columbia University, New 

 York City. 



The American Society of Naturalists. — Decem- 

 ber 28. President, Professor J. Playfair McMur- 

 rich. University of Toronto; secretary, Professor 

 E. L. Thomdike, Teachers College, Columbia Uni- 

 versity, New York City. Central Branch, presi- 

 dent, Professor P. A. Harper, University of Wis- 

 consin; secretary, Professor Tliomas G. Lee, Uni- 

 versity of Minnesota, Minneapolis, Minn. 



The American Mathematical Society. Chicago 

 Section, December 30, 31. Chairman, Professor 

 Edward B. Van Vleek; secretary Herbert E. 

 Slaught, 58th St. and Ellis Ave., Chicago, 111. 



The American Physical Society. — President, 

 Professor E. L. Nichols, Cornell University; sec- 



retary. Professor Ernest Merritt, Cornell Univer- 

 sity, Ithaca, N. Y. 



The American Chemical Society. — December 27- 

 January 2. President, Professor Marston T. Bo- 

 gert, Columbia University; secretary. Professor 

 Charles L. Parsons, New Hampshire College, Dur- 

 ham, N. H. 



The Association of American Geographers. — 

 December 31-Januaiy 1. Acting-president, Pro- 

 fessor R. S. Tarr, Cornell University, to whom 

 correspondence should be addressed; secretary, 

 Albert P. Brigham, 123 Pall Mall, London, Eng. 



The Entomological Society of America. — Secre- 

 tary, J. Chester Bradley, Cornell University. 



The Association of Economic Entomologists. — - 

 December 27, 28. President, Professor H. A- 

 Morgan, Knoxville, Tenn. ; secretary, A. F. Bur- 

 gess, Columbus, Ohio. 



The American Society of Biological Chemists. — 

 December 30-January 2. President, Professor 

 Russell H. Chittenden, Yale University; secretary. 

 Professor William J. Gies, College of Physicians 

 and Surgeons, Columbia University, New York 

 City. 



The Society of American Bacteriologists. — De- 

 cember 31-January 2. Vice-president, F. D. 

 Chester, Delaware Agricultural College, Newark, 

 Del.; secretary, Professor S. C. Prescott, Massa- 

 chusetts Institute of Technology. 



The American Physiological Society. — Begin- 

 ning December 31. President, Professor W. H. 

 Howell, Johns Hopkins University; secretary, 

 Professor Lafayette B. Mendel, 18 Trumbull St., 

 New Haven, Conn. 



The Association of American Anatomists. — Jan- 

 uary 1-3. President, Professor Franklin P. Mall; 

 secretary. Professor G. Carl Huber, 1330 Hill St., 

 Ann Arbor, Mich. 



The American Society of Zoologists. — Central 

 Branch. Secretary, Professor Thomas G. Lee, 

 University of Minnesota, Minneapolis, Minn. 



The Botanical Society of America. — December 

 31 and January I, 2 and 3. President, Professor 

 G«orge F. Atkinson, Cornell University; secretary. 

 Dr. D. S. Johnson, Johns Hopkins University. 



The Botanists of the Central States. — Business 

 Meeting. President, Professor T. H. Macbride, 

 University of Iowa; secretary. Professor H. C. 

 Cowles, University of Chicago, Chicago, 111. 



The American Psychological Association. — De- 

 cember 31, January' 1 and 2. President, Dr. 

 Henry Rutgers Marshall, New York City; acting 

 secretary. Professor R. S. Woodworth, Columbia 

 University, New York City. 



The Western Philosophical Association. — Secre- 



