CONTENTS. 
BIBLIOGRAPHY 
List oF ABBREVIATIONS 
SYNOPSIS OF THE FAMILIES 
ARTIFICIAL KEY TO THE MARINE SHELLS 
INTRODUCTION 
CEPHALOPODA 
(GJASTEROPODA 
SCAPHOPODA 
PTEROPODA ay Re 
LAMELLIBRANCHIATA 
BRACHIOPODA 
POLYZOA... 
APPENDIX 
GENERAL INDEX ... noe = nae 
COMPARATIVE INDEX TO FORMER NOMENCLATURE 
Page. 
Vil. 
Vill. 
1x, 
131 
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