Distribution and Range . . . 142 The Tasmanian Trout Fishery 153 Population Dynamics of Tench 163 Conservation Notes 167 Bibliography . . . . . . . . 168 VII. Littoral Biogeography by A. J. DARTNALL 171 Introduction . . . . . . . . . . . . . . 171 The Maugean Marine Province. . . . . . 175 Distribution Patterns of some Tasmanian Marine Animals 178 Conclusions. . . . 190 Acknowledgements 191 Bibliography . . . 191 VIII. The Zoogeography and Evolution of Tasmanian Oligochaeta by B. G. M. JAMIESON. . 195 Introduction . . . . . . . . . . . . 195 The Australian Region: A World Perspective 198 Earthworms and Continental Drift. . . . . 206 Tasmanian Earthworms - Relationships with the Australian Fauna. . . . . . . . . . . . . . . . . . . . . . . 210 Tasmanian Megasco1ecid Species and Aspects of their Evolution . 218 Bibliography . . . . . . . . . . . 226 IX. Oniscoidea (Terrestrial Isopoda) by ALISON J. A. GREEN . . . . . . . 229 Introduction . . . . . . . . . . . 229 Ecological Distribution. . . . . . . 229 Comments on Ecological Distribution 235 Geographical Distribution of Species Recorded from T- mania. . . . . . . . . . . . . . . . . . . . . . . 237 Geographical Distribution of Genera Recorded from T- mama. . . . . . 239 Acknowledgements 247 Bibliography . . . 247 X. The Amphibia of Tasmania by M. J. LITTLEJOHN and A. A. MARTIN 251 Introduction 251 Taxonomy. 251 Distribution 265 Biology . . 268 Zoogeography . . 272 Evolution . . . . 277 Acknowledgements 282 Bibliography . . . 282 Key 1: Key to Frogs (Adults) . 286 Key 2: Key to Male Mating Calls . 287 Key 3: Key to Eggs. . 288 Key 4: Key to Tadpoles . . . . . 289 XI. Biogeography and Ecology of the Reptiles of Tasmania and the Bass Strait Area by P. A. RAWLINSON. 291 Introduction . . . . . . . . . . . . . . . 291 Cainozoic Climates and Pleistocene Sea Levels. 292 Present Climate. . . . . . . . . . . . . . 297 Ecological Requirements of Reptiles. . . . . 299 The Reptile Fauna of Tasmania and the Bass Strait Area - Composition, Ecology and Distribution. . . .