576 SCHOOL SCIENCE AND MATHEMATICS ASSOCIATION OF TEACHERS OF MATHEMTICS IN THE MIDDLE STATES AND MARYLAND. President, Herbert E. Hawkes, Columbia University, New York City; Vice-President, Alice Deal, McKinley Manual Training School, Washington, D. C.; Secretary, Ernest H. Koch, Jr., High School of Commerce, New York City; Treasurer, H. Ross Smith, Southern High School, Philadelphia, Pa.-118. CENTRAL ASSOCIATION OF SCIENCE AND MATHEMATICS TEACHERS. (Annual meeting, Nov. 29 and 30, 1918, University of Chicago, Chicago, iu.) President, Harry D. Abells, Morgan Park Academy, Morgan Park, Chicago, Ill.; Vice-President, William M. Butler, Yeatman High School, St. Louis, Mo.; Secretary, A. Wirth Cavanaugh, Lewis Institute, Chicago, Ill.; Corresponding Secretary, D. A. Lehman, Goshen College, Goshen, Ind.; Treasurer, John H. McClellan, Harrison Technical High School, Chicago, Ill.; Assistant Treasurer, M. F. Wadleigh, South Division High School, Milwaukee, Wis.; Chairman of Biology Section, Jerome Isenbarger, Nicholas Senn High School, Chicago, Ill.; Chairman of Chemistry Section, Frank B. Gullum, East High School, Columbus, Ohio; Chairman of Earth Science Section, Mabel C. Stark, State Normal School, De Kalb, Ill.; Chairman of General Science Section, Fred D. Barber, Illinois State Normal University, Normal, Ill.; Chairman of Home Economics Section, R. Louise Hanna, Austin High School, Chicago, Ill.; Chairman of Mathematics Section, J. A. Foberg, Crane Technical High School, Chicago, Ill.; Chairman of Physics Section, W. R. Ahrens, Englewood High School, Chicago, Ill.-1217. ECOLOGICAL SOCIETY OF America. President, Dr. Henry C. Cowles, University of Chicago; Vice-President, Dr. Robert E. Coker, Bureau of Fisheries, Washington, D. C.; SecretaryTreasurer, Dr. Forrest Shreve, Desert Laboratory, Tucson, Ariz.-118. GENERAL SCIENCE CLUB OF NEW ENGLAND. President, Walter G. Whitman, State Normal School, Salem, Mass.; Vice-President, J. Richard Lunt, English High School, Boston, Mass.; Secretary, Sumner E. Marvell, 5 Park St., New Bedford, Mass.; Treasurer, Charles H. Stone, English High School, Boston, Mass.-118. GEOLOGICAL SOCIETY OF AMERICA. President, Whitman Cross, Washington, D. C.; First Vice-President, Bailey Willis, Stanford University, Cal.; Second Vice-President, Frank Leverett, Ann Arbor, Mich.; Third Vice-President, F. H. Knowlton, Washington, D. C.; Secretary, Edmund Otis Hovey, New York; Treasurer, E. B. Mathews, Baltimore, Md.; Editor, Joseph Stanley-Brown, New York.-118. IOWA ACADEMY OF SCIENCE. President, S. W. Beyer, Iowa State College, Ames; First Vice-President, T. C. Stephens, Morningside College, Sioux City; Second Vice-President, R. Monroe McKenzie, Parsons College, Fairfield; Secretary, James H. Lees, Iowa Geological Survey, Des Moines; Treasurer, A. O. Thomas, State University, Iowa City.—318. IOWA ASSOCIATION OF MATHEMATICS TEACHERS. President, E. E. Watson, Parsons College, Fairfield, Iowa; Vice-President, Maria M. Roberts, Iowa State College, Ames, Iowa; SecretaryTreasurer, Ira S. Condit, Iowa State Teachers College, Cedar Falls, Iowa.-118. IOWA ASSOCIATION OF SCIENCE TEACHERS. President, F. E. Goodell, University High School, Iowa City, Iowa; VicePresident, F. W. Berninghausen, Superintendent, Pocahontas; SecretaryTreasurer, Frances Church, East High School, Des Moines; Section Leaders: Chemistry, Charles A. Mann, Iowa State College, Ames; First-Year Science, H. E. Ewing, Iowa State College, Ames; Physics, H. L. Dodge, State University, Iowa City.-118. KANSAS ASSOCIATION OF MATHEMATICS TEACHERS. President, T. E. Mergendahl, College of Emporia, Emporia, Kan.; Vice-President, Miss Eleanora Harris, Hutchinson, Kan.; SecretaryTreasurer, J. A. G. Shirk, State Manual Training Normal, Pittsburg, Kan. 118. ILLINOIS ACADEMY OF SCIENCE. President, Rollin D. Salisbury, University of Chicago; Vice-President, ; Secretary, J. L. Prices, State Normal University, Normal; Treasurer, T. L. Hankinson, Normal School, Charleston. K For Teaching K Kewaunee Electrical Laboratory Equipment This is a most adequate, yet simple and economical, unit for teaching practical and theoretical electricity. It permits the performance of more than sixty experiments. It is especially designed for High School Classes. We are equipped to supply all demands, from the smallest school requirement to the largest demonstration purpose-for class or lecture room work, general laboratory practice or individual experiments. The School of Engineering of Milwaukee so well known throughout the United States for its practical electrical course, and the Kewaunee Mfg. Co., so well known for its superior laboratory equipment, have collaborated in the production of this line of Electrical Equipment. Write for detailed information. Kewaunee Mfg. Co. LABORATORY KEWAUNEE, WIS. Chicago General Sales Office, 460 E. Ohio Street. New York Office, 70 Fifth Avenue. BRANCH OFFICES: Flease mention School Science and Mathematics when answering Advertisements. K K MATHEMATICAL ASSOCIATION OF AMERICA. President, E. V. Huntington, Harvard University; Vice-Presidents, D. N. Lehmer, University of California, and J. W. Young, Dartmouth College; Secretary-Treasurer, W. D. Cairns, Oberlin College; additional members of the Council to serve until January, 1921: Florian Cajori, Colorado College; Elizabeth B. Cowley, Vassar College; G. A. Miller, University of Illinois; E. J. Wilczynski, University of Chicago. MATHEMATICS TEACHERS ASSOCIATION OF RHODE ISLAND. President, Alden E. Hodgkins, Technical High School, Providence; Vice-President, Henry K. Sears, Hope St. High School, Providence; Secretary-Treasurer, Professor Clinton H. Currier, Brown University, Providence.-118. NATIONAL EDUCATION ASSOCIATION. President, Mary C. C. Bradford, Denver, Colo.; Secretary, J. W. Crabtree, Washington, D. C.; Treasurer, A. J. Mathews, Tempe, Arizona. NEW ENGLAND ASSOCIATION OF CHEMISTRY TEACHERS. President, George A. Cowen, West Roxbury High School, Jamaica Plain, Mass.; Vice-President, William W. Obear, High School, Somerville, Mass.; Curator, Lyman C. Newell, Boston University, Boston, Mass.; Secretary, S. Walter Hoyt, Mechanic Arts High School, Boston, Mass.; Treasurer, Alfred M. Butler, High School of Practical Arts, Boston, Mass.-118. NEW JERSEY SCIENCE TEACHERS' ASSOCIATION. President, Earl Eastman, Atlantic City High School, Atlantic City; Vice-President, Merton C. Leonard, Dickinson High School, Jersey City; Secretary-Treasurer, Raymond S. Blodgett, Caldwell High School, Caldwell; members of Executive Committee: Dr. Melville T. Cook, Rutgers College, New Brunswick; Miss Agnes V. Luther, State Normal School, Newark; H. Morgan Campbell, Bayonne; Section Chairmen: AgricultureBiology, Dr. C. H. Robison, State Normal School, Montclair; Chemistry, Charles E. Dull, South Side High School, Newark; Elementary Science, Miss Caroline G. Howe, South Side High School, Newark; Physics, E. R. Vactor, West Hoboken High School, West Hoboken.-118. NEW YORK STATE SCIENCE TEACHERS' ASSOCIATION. President, H. A. Carpenter, 1736 Church St., Washington, D. C.; Vice-President, M. C. Collister, 2303 Sunset Ave., Utica, N. Y.; SecretaryTreasurer, E. E. Ford, West High School, Rochester, N. Y.; Council members: Prof. R. C. Gibbs, Cornell University, Ithaca, N. Y.; C. Caulkins, Elmira, N. Y.; Edward L. Long, High School, Saugerties, N. Y.; Chairman of the Physics and Chemistry Section, R. A. Crumb, High School, Binghamton, N. Y.; Chairman of the Biology Section, Mrs. Roberta Parke, Masten Park High School, Buffalo, N. Y.; Chairman of the Earth Science Section, Melvin E. Coon, West High School, Rochester, N. Y. -1117. OHIO ASSOCIATION OF TEACHERS OF MATHEMATICS AND SCIENCE. President, J. D. Boldt, Stivers High School, Dayton; Vice-President, Prof. William Holt, State Normal, Bowling Green, Ohio; SecretaryTreasurer, H. M. Beatty, Columbus, Ohio.-118. THE PHYSICS CLUB OF NEW YORK. President, Roland H. Williams, Horace Mann School for Boys, New York; Vice-President, Fred F. Good, Teachers' College, New York; Secretary, Arthur L. Yoder, Richmond Hill High School, New York; Treasurer, John O. Scudder, Morris High School, New York.-118. SOUTHERN CALIFORNIA SCIENCE AND MATHEMATICS ASSOCIATION. President, Agnes Wolcott, High School, Long Beach; Vice-President E. E. Chandler, Occidental College; Secretary-Treasurer, Harriet S. King, High School, Pasadena.-118. WASHINGTON ACADEMY OF SCIENCES. President, Lyman J. Briggs, of the Bureau of Plant Industry; Corresponding Secretary, Robert B. Sosman, of the Geophysical Laboratory; Recording Secretary, W. R. Maxon, of the National Museum; Treasurer, William Bowie, of the Coast and Geodetic Survey, |