The Medical and Veterinary Importance of Cockroaches, by Louis M. Roth and Edwin R. Willis, 147 pages, illustrated. Washington, D. C., Smithsonian Institution, 1957.

Schutzimpfungen, by Heinz Spiess, Gottingen, & others, 356 pages, illustrated. Stuttgart, Georg Thieme, Verlag. Intercont. Book Corporation, New York City, 1958.

Biologie Du Noir, by Georges A. Heuse, 347 pages. Brussels, Éditions Problèmes d'Afrique Centrale, 1957. DM 56, $13.35.

Annual Review of Entomology, by E. A. Steinhaus, 520 pages. Palo Alto, Annual Reviews, Inc., 1958, $7.00.

Non-Venereal Syphilis; A Sociological Medical Study of Bejel, by Ellis Herndon Hudson. 203 pages, illustrated. Baltimore, Williams and Wilkins Co., 1958. $7.00 (U.S.).