8 TABLE OF CONTENTS. 



Description of genera and species Continued. 



Class Stelleroidea Continued. p age . 



Subclass Ophiuroidea 267 



Family Onychasteridee 268 



Onychaster 268 



Forms whose relationships are unknown 274 



Cribellites carbonarius 274 



Order Ophiocistia , 275 



Family Eucladiidse 276 



Eucladia 276 



Euthemon 279 



Bibliography 281 



Explanation of plates 289 



Index.. 303 



