Book Reviews

Book reviewed in this article:Laboratory Exercises in Zoology, by William M. Barrows, Professor of Zoology, The Ohio State UniversityBlaidsdell Instructional Tests in Biology for Junior and Senior High Schools, by J. G. Blaidsdell, Chairman Biology Department, Charles E. Gorton High School, Yonkers, New YorkElementary Science by GradesAdvanced Biology, by Frank M. Wheat, Chairman of the Department of Biology, George Washington High School, New York, and Instructor of Biology, New York University, and Elizabeth T. Fitzpatrick, Chairman of Health Education, George Washington High School, New YorkEconomic Zoology, by Albert M. Reese, Professor of Zoology, West Virginia University. Third EditionEducational Biology, by William Lewis Eikenberry, Professor and Head of the Science Department, Trenton, New Jersey, Teachers' College, and R. A. Waldron, Professor and Head of the Science Department, State Teachers' College, Slippery Rock, Pennsylvania.Laboratory Construction & Equipment, a report of the National Research Council Committee on the Construction and Equipment of Chemical Laboratories.Animal Micrology, Revised Edition, by Michael F. Guyer, Professor of Zoology in the University of Wisconsin.The Science of Everyday Life (New Edition) by Edgar F. Van Buskirk, Head of Science Department, Stephens College; Edith Lillian Smith, recently instructor, Boston Teachers' College, and Walter L. Nourse, Vice Principal and formerly instructor in General Science, John Burroughs Junior High School, Los Angeles.Plane Trigonometry, by Edwin S. Crowley, and Henry B. Evans, University of Pennsylvania.The Teaching of Mathematics in Secondary Schools, vol. 1. Technique., by Ernst R. Breslich, Associate Professor of the Teaching of Mathematics, The School of Education, The University of Chicago.Seventh Year, Eighth Year, and Ninth Year Mathematics, by Ernst R. Breslich, Associate Professor of the Teaching of Mathematics, The College of Education, and Head of the Department of Mathematics, The University High School, The University of Chicago.Educational Biology, by John C. Johnson, State Teachers' College, West Chester, Pennsylvania.A Study of Problem Material in High School Algebra, by Jesse Jerome Powell, Instructor of Mathematics, College of the City of New York.The Supervision of Elementary Subjects, edited by William H. Burton, Associate Professor of Education in The University of Chicago.Introduction to the Theory of Numbers, by Leonard Eugene Dickson, Professor of Mathematics, University of Chicago.The Calculus, by Hans H. Dalaker, Ph.D., Professor of Mathematics and Mechanics, University of Minnesota, and Henry E. Hartig, Ph.D. Electrical Engineering Department, University of Minnesota.THE M. O. S. SERIES by C. H. WardHeroes of the Air by Chelsea Fraser, Author of “Heroes of the Wilds,” “Heroes of the Sea,” etc. Twenty‐nine maps and forty‐two photographs. Revised Edition.Heroes of the Farthest North and Farthest South by J. Kennedy MacLean and Chelsea Fraser.The New World of Physical Discovery by Floyd L. Darrow, Author of The Story of Chemistry, etc.Insects Ways by Clarence M. Weed, Principal of the State Normal School, Lowell, Mass.