CONTENTS 



Introduction : 



Falkland Islands page 49 



Burdwood Bank 55 



South Georgia and Shag Rocks ........ 56 



South Sandwich Islands and remainder of Scotia Arc .... 60 



Bipolarity 63 



blogeographical provinces 66 



Distribution of Southern high-latitude Mollusca .... 67 



Index to the Discovery Investigations Mollusca 72 



Acknowledgements ... 77 



Systematic : 



Pelecypoda . . -77 



Gastropoda 79 



Amphineura . . . ..... . 182 



Bibliography . ... 182 



Text Figures G-N 189 



Plates V-X ... following page 196 



