DEPARTMENT OF MINES AND AGRICULTURE. 
MEMOIRS OF THE GEOLOGICAL SURVEY OF NEW SOUTH WALES. 
E. F. PITTMAN, A.R.S.M., UNDER SECRETART AND GOVERNMENT GEOLOGIST. 
PAL/EONTOLOGY, No. 13. 
A MONOGRAPH 
OF THE 
SILURIAN AND DEVONIAN CORALS OF NEW SOUTH WALES; 
WITH 
ILLUSTRATIONS FROM OTHER PARTS OF AUSTRALIA. 
Part l.-THE GENUS HALYSITES. 
BY 
* 
R. ETHERIDGE, Junr., J.P., 
CURATOR OF THE AUSTRALIAN MUSEUM, SYDNEY. 
SYDNEY : WILLIAM APPLEGATE GULLICK, GOVERNMENT PRINTER. 
• 26336 
a 
1904. 
[ 10 *.] 
