500 ON A COLLECTION OF ECHINODERMATA FROM AUSTRALIA, 



7. Amphiura constricta. 



Port Jackson. Vide infra. 



8. Ophionereis schayeri. 



Sydney, Tasmania, Nelson's Bay. 



9. Ophiocoma scolopendima. 



Port Moresby, New Guinea, Port Denison. 



10. Ophiocoma erinaceus. 



Port Moresby. Vide infra. 



11. Ophiarthrum elegans. 

 Thursday Island. TJgi. 



12. Ophiarthrum sp. 



TJgi. 



13. Ophiomastix annulosa. 

 Ugi. 



14. Ophiothrix longijyeda. 

 Port Molle, Thursday Id. 



15. Ophiothrix coespitora. 

 Port Jackson. Vide infra. 



1 6. Ophiothrix fumaria. 

 Nelson's Bay, Port Stephens. 



17-18. Ophiothrix. Sp. f. 



Nelson's Bay, Port Stephens. 



19. Euryale aspera. 

 Port Denison. 



Pectinura stellata. I am inclined to think that this sho 

 form the type of a new genus. 



Amphiura constricta. The present collection shows that these 

 lately discovered species are very abundant in Port Jackson. 



