EOHIITODEEMATA. 171 



Table I. — Echinoidea of Australian Museum, Sydney. 



South of 



the 

 tropics. 



Inter- 

 tropical 

 species. 



1. 

 2. 

 3. 

 4. 

 5. 

 6. 

 7. 

 8. 

 9. 

 10. 

 11. 

 12. 

 13. 

 14. 

 15. 

 16. 

 17. 

 18. 

 19. 

 20. 

 21. 

 22. 

 23. 

 24. 

 2.5. 

 26. 

 27. 



Phyllaoanthus parTispiuus. , 



Qoniooidaris tubaria ., 



geranoides 



Diadema setosum 



Oentrostephanus rodgersi . 



Echinothrix calamaria 



Salmacis alexandri 



bieolor 



sulcata 



dussumieri 



Amblypneustes ovum 



Strongylooentrotus ery throgrammus . 



— ^ tuberoulatns , 



Spbserechiuus australise 



Bchinostrephus molare 



Bchinometra lucunter 



Heterocentrotus mammillatus 



Echinauthus testudinarius 



Ijaganuiu decagonale 



peronii 



Arachnoides place^jta 



Maretia planulata 



XiOTenia elomgata 



Breynia australasise 



Echinocardium australe 



Hemiaster apicatus 



* 



o 



«2 



o 



o 



* 

 A 



# 



o 



» 



* 

 A 

 A 

 A 

 A 



Table II. — Ophiuroidea of Australian Museum, Sydney. 



1. 



2. 



3. 



4. 



5. 



6. 



7. 



8. 



9. 

 10. 

 11. 

 12. 

 13. 

 14. 

 15. 

 16. 



Pectinura atellata 



gorgonia 



OphioplocuB imbricatus . . 

 Ophioglypha multispina .. 



Ophiactis resiliens 



Atnphiura constricta 



Ophionereis sehayeri 



Ophioooma scolopendrina 



erinaeeus 



Ophiarthrum elegans '..... 



Ophiothrix longipeda 



csespitosa 



fumaria 



sp 



sp , 



Euryale aspera 



A 



means that the species is, in this collection, inown only from Lord Howe's 

 Island ; A, that the ' Alert ' found the species within the tropics. 



1 Reported by Agassiz from New Caledonia; ' from the Mauritius ; 'from 

 the Ph&ppines. 



