Introduction to Protozoology, by Reginald D. Manwell, Professor of Zoology, Syracuse University, 642 pages, illustrated, New York, St. Martin's Press, 1961. $12.00.

Medizinische Mikrobiologie Immunologie und Epidemiologie, by Professor Dr. Med. Habil. Georg Wildfuhr, Direktor Des Universitats-Institutes Leipzig. Teil II, 812 + xii pages, Mit 20 Tafeln und 110 Abbildungen, illustrated, Veb Georg Thieme-Leipzig, 1961. DM 87.80.

Monogenetic Trematodes. Their Systematics and Phylogeny, by B. E. Bychowsky. 627 + xx pages, illustrated, The American Institute of Biological Sciences Publications Office, Washington, D. C. 1960. $10.00.

The Surgery of Trauma In The Tropics, by R. L. Batten, B.A. (Cantab.), F.R.C.S., Consultant Surgeon in Trauma to West Bromwich Group of Hospitals, Formerly Senior Lecturer in Surgery, University College, Ibadan, Nigeria. With a chapter on anaesthetics, by J. V. Farman, M.B., B.S. (Lond.), F. F. A. R. C. S. 234 + viii pages, illustrated, London, Edward Arnold Ltd. (The Williams & Wilkins Co., Baltimore, exclusive U.S. agents.) 1961. $8.00.