Notes on a Collection of Fossils fiom the Palaeozoic 
Rocks of New South Wales. 
Part I. 
By R. Erneriner, Junr., F.G.S., &c., Corr. Member Roy. Socs., 
New South Wales, Victoria, and Tasmania. 
[Read before the Royal Society of N.S. W., 4 August, 1880.] 
INTRODUCTION. 
New South Wales. nforeseen ci stances, of a varied nature, 
have prevented my fulfilling a promise to describe these fossils, 
made to Prof, Liversidge, and I am now only able to partially 
carry this out, a portion of the collection still remaining to be 
worked out. 
or opinion arrived at being either hasty or errcneous. 
Class—ACTINOZOA. 
Genus Ruizopnyitium. Lindstréim, 1865. 
(Kngl. Vet. Akad. Férhandl., 1865, No. 5, p. 287.) 
Obs. Prof. De Koninck has described from the Upper Silurian 
rocks of Rockflat Creek, N. 8. Wales, the internal cast of a coral 
very like that of a Calceola, but which he thinks should more 
properly be referred to the genus Rhizophyllum. This he has 
described as R. interpwnctatum, but from the very nature of the 
— will be at all times difficult to identify other specimens 
It. 
Prof. Liversidge has obtained from near Yass three specimens 
which equally resemble C/alceola with that described by De Koninck. 
They have truncated bases, in one of which is seen traces of 
