naterial, which had to be examined before I could proceed, and I 

 nay say that the greater part of my time has been spent in work- 

 ng out species, many of them very common but never hitherto 



The Foraminifera, Infusoria, Alcyonaria, Actinida-, Hydroida, 

 Echinodermata and Polyzoa in the Marine part, and the Rhizopoda, 

 Infusoria, and Rotifera in the Fresh-water portion of this list will, 



accomplished in this direction. Besides the un worked material, 

 there were a large number of described species recorded as occurr- 

 ing in Port Jackson, but they have not been observed since their 

 original discovery. As regards these I have made strict search 

 in likely localities, and in many cases was successful in finding 

 species obtained by some of the early naturalists who visited our 

 coast. I have also made many special journeys, so as to be 

 enabled to give a definite habitat for some of the more interesting 



nsed by acknowledged 

 After each species enu 

 to the book or paper i 



Heads. 



Our Marine Infusorian faun;i appears to have been wholly over- 

 looked in that I have failed tims far to find any papers dealing 

 with them, and the few mentioned in this list are what I have 

 recordTd'' ^^'""""'""^ "" '*"" ° '''''' • « ^ 



The Sponge Fauna of Port Jackson has had a considerable 



loiTue of Sponges in the Australian Museum, by Dr. R. von 

 L^'iidenfeld, in the various Challenger Reports by Polejaefi; Vos- 

 i.iaer, Messrs. Ridley and Dendy, and in the Zoology of the "Alert 

 by S. O. Ridley. Most of the Sponges in the Australian Museum 



Institution, who have provided funds for systematic dredging and 

 trawling for many years past. These operations under the able 

 direction of Dr.' Ramsay, the Curator, have yielded valuable 



