4th edition. Pp. I–XI, 1–562; 431 text figures, 1 half tone and 6 colored plates. By P. Mühlens, E. Nauck, H. Vogel and H. Ruge. Georg Thieme Verlag, Leipzig. Paper covers, 43 RM.; bound in linen, 45 RM.
4th edition, by Erich Martini, M.D., Ph.D., Emeritus Professor and Director, Section of Entomology, Institut für Schiffs- und Tropenkrankheiten, Hamburg, Germany, with 694 pp., 318 text-figs., and 30 pp. references. Gustav Fischer, Jena, 1952, DM 38, about $9.00. Chapter on fleas (pp. 161–181) by Dr. F. Peus, Berlin, and supplement on control of noxious insects by physical and chemical agents (pp. 552–602) by Dr. W. Reichmuth, Celle