NAMES AND ADDRESSES OF PUBLISHERS Noble and Noble Publishers, Inc., 100 5th Avenue, New York, N. Y. W. W. Norton and Company, Inc., 70 5th Avenue, New York, N. Y. Oxford University Press, 114 5th Avenue, New York, N. Y. Porter Chemical Company, Hagerstown, Maryland. Prentice-Hall, Inc., 70 Fifth Avenue, New York. G. P. Putnam's Sons, 2 W. 25th Street, New York, N. Y. Reinhold Publishing Corporation, 330 W. 42nd Street, New York, N. Y. Row, Peterson and Company, 1911 Ridge Avenue, Evanston, Ill. School Science and Mathematics, 450 Ahnays Street, Menasha, Wis. Science Clubs of America, 1719 N Street, N. W., Washington 6, D. C. Science Education, Inc., 374 Broadway, Albany, N. Y. Science Counselor, 901 Vickroy Street, Pittsburgh, Pa. Science News Letter, Science Service, 1719 N St., N. W., Washington, D. C. Science Teacher, 201 North School Street, Normal, Ill. Scott, Foresman Company, 433 E. Erie Street, Chicago 11, 111. Charles Scribner's Sons, 597-599 5th Avenue, New York, N. Y. Silver Burdett Company, 45 East 17th Street, New York. Simon and Schuster, 1230 6th Avenue, Rockefeller Center, N. Y. State Board of Health, Jacksonville 8, Fla. State Department of Conservation, Tallahassee, Fla. State Department of Education, Tallahassee, Florida. State of Florida Game and Fresh Water Fish Commission, Tallahassee, Florida. Tudor Publishing Company, 221-227 4th Avenue, New York, N. Y. University of Chicago Press, 5750 Ellis Avenue, Chicago 37, Ill. The University Society, 468 4th Avenue, New York 16, N. Y. U. S. Department of Agriculture, Washington, D. C. The Viking Press, Inc., 18 E. 48th Street, New York, N. Y. The Williams and Wilkins Company, Mt. Royal and Guilford Avenues, Baltimore, Md. John C. Winston Company, Publishers, 1006 Arch Street, Philadelphia 7, Pa.