PLATE 13. 



Ophionereis schayeri (Mijller and Troschel). Port Jackson, N. S. W. 



Fig. 1. Aboral view. Nat. size. 

 2. Oral view. 



Ophiothrix dtsceita H. L. Clark. Mer, Murray Islands, Australia. 



3. Aboral view. X 8. 



Ophiothrix rhabdota H. L. Clark. Mer, Murray Islands, Australia. 



4. Aboral view. X 1+. 



Ophiothrix poecilodisca H. L. Clark. Zanzibar. 



5. Aboral view. X 2. 



Ophiocoma aethiops Liitken. Panama. 



6. Aboral view. X .8. 



7. Oral view. 



