Textbook of Medicine, Twelfth Edition, edited by Paul B. Beeson, M.D., Nuffield Professor of Clinical Medicine, University of Oxford, and Walsh McDermott, M.D., Livingstone Ferrant Professor of Public Health, Cornell University Medical College. liv + 1,738 pages, illustrated. W. B. Saunders Company, Philadelphia and London. 1967. $20.50.

Abnormal Hemoglobins in Human Populations. A Summary and Interpretation, by Brank B. Livingstone, University of Michigan. ix + 470 pages, illustrated. Aldine Publishing Company, Chicago, Illinois. 1967. $12.50.

Tropical Diseases, Second Edition, by Frederick J. Wright, M.A., M.D. Cantab., F.R.C.P. Lond., D.T.M. & H. Eng., Senior Lecturer in Diseases of Tropical Climates, University of Edinburgh, and James P. Biard, M.D., F.R.C.P. Edin., F.R.C.P. Lond., Colonel, late R.A.M.C., Professor of Military Medicine of the Royal Army Medical College and the Royal College of Physicians, London. viii + 176 pages, paperbound. E. & S. Livingstone Ltd., Edinburgh and London. 1967. $5.25.

Mykobakterien und MykobakterieUe Krankheiten, by Gertrude Meibner and Albert Schmiedel.