BOOK REVIEWS

Book reviewed in this article: Elements of Plant Pathology by Irving E. Melhus, Professor of Plant Pathology and Head of the Department of Botany and George C, Kent, Instructor in Plant Pathology both of Iowa State College Visual Outline Of General Biology by George Child, Ph.D. of Amherst College. Introduction to Atomic Physics , by Henry Semat, Assistant Professor of Physics, The City College of The College of the City of New York. The Nature of the Atom , by G. K. T. Conn. German‐English Science Dictionary for Students in the Agricultural, Biological and Physical Sciences , by Louis De Vries, Professor of Modern Languages America Begins Again , by Katherine Glover Engineering Descriptive Geometry , by Charles Elmer Rowe, B.S. (C.E.), E.M., Professor of Drawing, University of Texas. Differential and Integral Calculus , by John Haven Neelley, Ph.D., Professor of Mathematics in The Carnegie Institute of Technology, and Joshua Irving Tracey, Ph.D., Associate Professor of Mathematics in Yale University Mathematics of Statistics , by John F. Kenney, Northwestern University Engineering Drawing , by H. H. Winstanley, B. Sc. Eng., A. M. I. Mech, E. College Algebra , by Paul E. Rees, Assistant Professor of Mathematics, New Mexico State College of Agriculture and Mechanic Arts, and Fred W. Sparks, Professor of Mathematics, Texas Technological College. Coordinate Geometry , by Luther Pfahler Eisenhart, Professor of Mathematics, Princeton University. Business Arithmetic for College Students , by William S. Schlauch, School of Commerce, Accounts and Finance, New York University. Practical Shop Mathematics , by John H. Wolfe, Supervisor of Apprentice School, Ford Motor Company, and Everett R. Phelps, Ph.D., Associate Professor of Physics, Wayne University.