Images and ideas: Leeuwenhoek's perception of the spermatozoa Edward G. Ruestow OriginalPaper Pages: 185 - 224
The isolated Spanish genius — Myth or reality? Félix de Azara and the birds of Paraguay Barbara G. Beddall OriginalPaper Pages: 225 - 258
The history of ecology: Achievements and opportunities, part one Frank N. Egerton OriginalPaper Pages: 259 - 310
