BOOK REVIEWS

Book reviewed in this article: The Calculation of the Orbits of Asteroids and Comets , by Kenneth P. Williams Science and The Public Mind , by Benjamin Gruenberg, with a Foreword by John C. Merriam A History of Magic and Experimental Science , Vols. III and IV, Fourteenth and Fifteenth Centuries, by Lynn Thorndike A Scientist in the Early Republic , by Courtney Robert Hall. Principles of Genetics and Eugenics , by Nathan Fasten The Principles of Heredity , by Laurence H. Snyder Twelve Hours of Hygiene , by F. L. Meredith, Professor of Hygiene, Tufts College, Lecturer on Hygiene, Simmons College. “Plane Trigonometry,” by H. L. Rietz, Professor of Mathematics, University of Iowa, J. F. Reilly, Professor of Mathematics, University of Iowa, and Roscoe Woods, Associate Professor of Mathematics, University of Iowa “Plane Geometry,” (New Edition) by Arthur Schultze, Ph. D., formerly assistant Professor of Mathematics, New York University, and head of the Mathematical Department, High School of Commerce, New York City, and Frank L. Sevenoak, formerly Principal of the Academic Department, Stevens Institute of Technology. Revised by Limond C. Stone—Department of Mathematics, Boys' High School Modern Radio Servicing , by Alfred A. Ghirardi. Radio Field Service Data , by Alfred A. Ghirardi. Fundamentals of College Mathematics , by Charles Harold Helliwell, Arthur Tilley and Howard Elmer Wahlert