CONTENTS 



Introduction page 163 



Acknowledgements 164 



Material and Methods 164 



Systematic Account 170 



Tomopteridae 17° 



Alciopidae ............ 184 



Typhloscolecidae 194 



Phyllodocidae 200 



Aphroditidae 205 



Zoogeography 206 



1. Hydrological Environment 206 



2. Distribution of Species . . . . . . . . .218 



Rhynchonerella bongraini . . . . . . . . .218 



Vanadis antarctica and Vanadis longissitna 224 



Tomopteris carpenteri .......... 224 



Tomopteris planktonis and Tomopteris septentrionalis .... 228 



Typhloscolex mulleri 231 



Travisiopsis levinseni . . . . . . . . . .236 



Pelagobia longicirrata .......... 237 



Maupasia caeca ........... 242 



Travisiopsis coniceps .......... 245 



Travisiopsis lobifera 245 



Travisiopsis lanceolata 246 



Tomopteris nisseni 246 



Tomopteris ligulata .......... 248 



Tomopteris krampi .......... 250 



Tomopteris kempi .......... 250 



Tomopteris elegans .......... 250 



Tomopteris apsteini 252 



Vanadis formosa and Vanadis crystallina 252 



Rhynchonerella angelini 255 



Krohnia lepidota 255 



Alciopa reynaudii .......... 257 



Naiades cantrainii .......... 257 



Lagisca hubrechti .......... 259 



Lopadorhynchus uncinatus, L. krohnii and L. brevis .... 259 



zoogeographical review 261 



List of References 264 



Appendix I 269 



Appendix II 284 



