Does Distance Tyrannize Science?.- Tyrannies of Distance in British Science.- Dr George Bennett and Sir Richard Owen: A Case Study of the Colonization of Early Australian Science.- A Far Frontier: British Geological Research in Australia during the Nineteenth Century.- A Collaborative Dimension of the European Empires: Australian and French Acclimatization Societies and Intercolonial Scientific Co-operation.- International Exchange in the Natural History Enterprise: Museums in Australia and the United States.- A World-wide Scientific Network and Patronage System: Australian and Other 'Colonial' Fellows of the Royal Society of London.- Ionospheric and Radio Physics in Australian Science since the Early Days.- Theories of the Earth as Seen from Below.- Geographic Isolation and the Origin of Species: The Migrations of Michael White.- Antipodal Fire: Bushfire Research in Australia and America.- Notes on Contributors.