502 ON A COLLECTION OF ECHINODERMATA FROM AUSTRALIA, 



10. S. bicolor. Vide infra. 



Port Denison. 



11. Salmacis sulcata. 

 Ugi Islands. 



12. Salmacis dussumieri. 



Port Denison. 



13. Amblypneustes ovum. 



Port Jackson. 



14. Amblypneustes, sp. Vide infra. 



Port Jackson. 



15. Strongylocentrotus erythrogrammus. Vide infra. 

 Port Stephens. 



16. S. tuberculatus. 

 Lord Howe's Island. 



17. Sphcerechinus australiai. 



S. E. Coast of Australia. 



18. Echinostrephus molar e. 



Lord Howe's Island. 



19. Echinometra lacunter. 



Lord Howe's Island; Ugi. 



20. Heterocentrotus mammelatus. 



Ugi. 



21. Echinanthus testudinarius. 



Port Denison, Port Jackson. 



22. Echinanthus tumidus. 

 Hab 1 ? Vide infra. 



23. Laganum decagonale. 



Port Denison, Port Molle. 



