152 Proceedings of the Royal Society of Victoria. 



Placotrochus elongatus, Duncan. 

 Sphenotrochus australis, Duncan. 



,, alatus, T. Woods. 

 Trematotrochus fenestratus, T. Woods. 

 Deltocyathus viola, Duncan. 

 Conosmilia elegans, Duncan. 



„ anomola, Duncan. 

 Bathyactis lens, Duncan. 

 Balanophyllia armata, Duncan. 

 Notophyllia gracilis, Dennant. 



