TABLE SHOWING THE CLASSIFICATION OF THE BRITTLE-STARS 
DESCRIBED IN THIS CHAPTER. 
Class 
OPHIUROIDEA 
(Brittle-stars) 
Orders Genera Species 
EURYALIDA 
(Skin without plates; arms simple or Astrophyton A, Agassiziit 
branched, and capable of being rolled 
up) 
Ophiopholis O. aculeata 
Amphiura A. squamata 
O. riiset 
OPHIURIDA 
Mae castirntal Ophiocoma O. ethiops 
er eg ner: O. Alexandri 
Ophiothrix O. angulata 
213 
