CONTENTS. ^» 



Page. 



Murex 100 



Trochus 108 



Turbo 113 



Helix 120 



Nerila 128 



Haliotis 132 



Patella 135 



Dentalium 143 



Serpula 146 



Teredo 149 



Sabella 151 



Index - 153 



Explanation of the Plates • 154 



