CONTENTS 



Introduction P'^S^ 123 



New forms 125 



Care of the brood 125 



Distribution and relationships 128 



Acknowledgements 131 



Key TO Antarctic species 131 



Systematic account i33 



Antedonidae i33 



Heliometrinae i33 



Zenometrinae 152 



Bathymetrinae 164 



Isometrinae i74 



Notocrinidae i93 



Comasteridae i99 



Pentacrinoid larvae 199 



Antarctic comatulids previously in the British Museum collection . 220 



References 221 



Plates III-VI following p. 222 



