844 



SCIENCE 



[N. S. Vol. XXVI. No. 676 



versity of Chicago during convocation week, 

 beginning on December 30, 1906. 



American Assooiation for the Advancement of 

 Science. — December 30-January 4. Retiring presi- 

 dent, Professor W. H. Welch, The Johns Hopkins 

 University, Baltimore, Md. ; president-elect. Pro- 

 fessor E. L. Nichols, Cornell University, Ithaca, 

 N. Y. ; permanent secretary. Dr. L. O. Howard, 

 Ckismos Club, Washington, D. C. ; general secre- 

 tary. President F. W. McNair, Houghton, Mich. 



Local Executive Committee. — Charles L. Hutch- 

 inson, chairman local committee; John M. Coulter, 

 chairman executive committee; John E. Angell, 

 Thomas C. Chamberlin, Joseph P. Iddings, Prank 

 R. Lillie, Charles R. Mann, Robert A. Millikan, 

 Charles F. Millspaugh, Alexander Smith, J. Paul 

 Goode, local secretary. 



Section A, Mathematics and Astronomy. — Vice- 

 president, Professor E. 0. Lovett, Princeton Uni- 

 versity; secretary. Professor G. A. Miller, Univer- 

 sity of Illinois, Urbana, Illinois. 



Section B, Physics. — Vice-president, Professor 

 Dayton C. Miller, Case School of Applied Science; 

 secretary. Professor A. D. Cole, Vassar College, 

 Poughkeepsie, N. Y. 



Section V, 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 Clin H. Landreth, 

 Union College; secretary. Professor Wm. 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 York City. 



Section F, Zoology. — Vice-president, Professor 

 E. B. Wilson, Columbia University; secretary. 

 Professor C. Judson Herrick, 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. — Vice-president, Pro- 

 fessor Franz Boas, Columbia University; secre- 

 tary, George 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 K, Physiology and Experimental Medi- 



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

 versity of Chicago; secretary. Dr. Wm. 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. Thorndike, Teachers College, Columbia Uni- 

 versity, New York City. Central Branch, presi- 

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

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

 versity of Minnesota, Minneapolis, Minn. 



The American Mathematical Society. Chicago 

 Section, December 30, 31. Chairman, Professor 

 Edward B. Van Vleck; secretary Herbert E. 

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



The American Physical Society. — President, 

 Frofessor 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-January 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 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. 



