Dynamics: R.A.A. Oldermann, Dynamics in Tropical Rain Forests. G. Irion, Quaternary Geological History of the Amazon Lowlands. J. Salo and M. R*adas*adanen, Hierarchy of Landscape Patterns in Western Amazon. W.J. Junk, Flood Tolerance and Tree Distribution in Central Amazonian Floodplains. G.S. Hartshorn, Gap-phase Dynamics and Tropical Tree Species Richness. E.F. Bruenig and Y-W. Huang, Patterns of Tree Species DIversity and Canopy Structure and Dynamics in Humid, Tropical, Evergreen Forests on Borneo and in China. D. Barth*aael*aaemy, C. Edelin, and F. Hall*aae, Architectural Concepts for Tropical Trees. M.D. Swaine, Population Dynamics of Tree Species in Tropical Forests. Speciation: A.H. Gentry, Speciation in Tropical Forests. R. Geesink and D.J. Kornet, Speciation and Malesian Leguminosae. J. Dransfield, Speciation Patterns in the Palms of Madagascar. L. Andersson, An Evolutionary Scenario for the Genus Heliconia. Z-Y. Chen, Evolutionary Patterns in Cytology and Pollen Structure of Asian Zingiberaceae. K. Iwatsuki, Speciation in the Asplenium Unilaterale Complex. B. Hansen, Justicia and Rungia (Acanthaceae) in the Indo-Chinese Peninsula. R.R. Haynes and L.B. Holm-Nielsen, Speciation of Alismatidae in the Neotropics. R.M. Polhill, Speciation Patterns in African Loranthaceae. Diversity: P.S. Ashton, Species Richness in Tropical Forests. D.B. Sumithraarachchi, Sri Lankan Forests: Diversity and Genetic Resources. R. Spichiger and L. Ramella, The Forests of the Paraguayan Chaco. O. Huber, Shrublands of the Venezuelan Guayana. H. Balslev and S.S. Renner, Ecuadorean Forests East of the Andes. J.L. Luteyn, Speciation and Diversity of Ericaceae in Neotropical Montane Vegitation. C. Feuillet, Diversity and Distribution of Guianan Passifloraceae. S.A. Mori, Diversity of Lecythidaceae in the Guianas. Past, Present and Future: F. Ortiz-Crespo, The Future of Tropical Forests. K. Larsen, Danish Botanists in the Tropics--Tropical Botany in Denmark. S. Castroviejo, Spanish Floristic Exploration in America: Past and Present. V.K.S. Shukla and I.C. Nielsen, Diversity of Minor Tropical Tree Crops and Their Importance for the Industrial World. P.H. Raven, Synthesis of the Symposium. Index.