DEPARTMENT OE MINES 
MEMOIRS OF THE GEOLOGICAL SURVEY OF NEW SOUTH WALES. 
C. S. WILKINSON, F.G.S., &c., GEOLOGICAL SCIITEYOB-IN-CIIARGE. 
\z.lio 
PALAEONTOLOGY, No. 5. 
R. ETHERIDGE, JNR., PALEONTOLOGIST. 
A MONOGEAPU 
OF THE 
CARBONIFEROUS AND PERMO-CARBONIFEROUS INVERTEBRATA 
OF 
NEW SOUTH AVALES. 
Part I.-CCELENTERATA. 
BT 
R. ETHERIDGE, Junr., 
Palaeontologist and Librarian to the Geological Survey of New South Wales ; and Palaeontologist to the Australian 
Museum, Sydney. 
ISSUED BY DIRECTION OF THE HON. SYDNEY SMITH, M.P., MINISTER FOR MINES AND AGRICULTURE. 
SYDNEY : GEORGE STEPHEN CHAPMAN, ACTING GOVERNMENT PRINTER. 
11a 50—91 
A 
1891. 
