The Natural History of Rennell Island, British Solomon Islands. Scientific Result of the Danish Rennell Expedition, 1951, and the British Museum (Natural History) Expedition, 1959. Vol. 5 (Botany and Geology), ed. by Torben Wolff. Danish Science Press, Copenhagen, 1960, 7-152 pp., many figs and photogr. This volume was issued in 5 instalments. The first (1957) contains a paper by N. Foged: Diatoms from Rennell Island. The second (1958) contains papers by E.B. Bartram: Musci, by T. Wolff: Vascular Plants from Rennell and Bellona Islands (a list of 31 spp. identified by F.R. Fosberg, and a few names of seeds), and by J.C. Grover: The Geology of Rennell and Bellona. The third instalment (1960) contains papers by T. Levring: A List of Marine Algae from Rennell Island, and by Lise Hansen: Some Macromycetes from Rennell and Alcester Islands. For the botanist may also be of interest T. Wolff’s general introduction in vol. 1 of the series (1955) 9-31. Proceedings of the Symposium on Humid Tropics Tjiawi (Indonesia) December 1958. Publication of Unesco Science Cooperation Office for Southeast Asia. Printed at New Delhi, no date; received March 1961; xv + 312 pp., map of Brunei, vegetation maps, photogr. Biographical notes of authors; discussions. Sponsored by the Council for Sciences in Indonesia and Unesco; Chairman Prof. Kusnoto Setyodiwiryo.