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ALLEN M. YOUNG (1982): Population Biology of Tropical Insects. Plenum Press, New York and London. 511 pp., many black and white photographs, tables and figures, cloth, $ 57.50
Andreas Suchantke (1981): Der Kontinent der Kolibris. Landschaften und Lebensformen in den Tropen Südamerikas. [The Continent of the Hummingbirds ‐ Landscapes and Life Forms in the South American Tropics].
Verlag Freies Geistesleben, Stuttgart. 420 pp., 265 drawings, 32 colour plates, hardbound, DM 88.00
ACKERY, P. R. & R. I. VANE‐WRIGHT (1984): Milkweed butterflies ‐ their cladistics and biology. British Museum (Natural History) Publications, Cromwell Road, London SW7 5BD, England. 425 pp. 74 plates (13 in colour) and 262 figures together with additional figs. and tables in the text. Size 22.5 x 28.5 cm, cloth. Price 50.00.