*Ashton, P.S.: Ecological studies in the mixed dipterocarp forests of Brunei State. Oxford Forestry Memoirs no 25, Clarendon Press, Oxford, 1964, 75 pp., 57 phot., 20 tab., 70 fig., gazetteer. This book is the first extensive field study in Brunei and besides of great value as a source of general information on that country. There is, for instance, a diagrammatic map on rainfall distribution, ageological and litho-pedological sketchmap, a map of contour lines, and detail maps of the areas of closer study.