DEPARTMENT OF FISHERIES, NEW SOUTH WALES. 
PRELIMINARY NOTE 
PRE WAFER 
(Leptoplana australis), 
A SPECIES OF DENDROCOELOUS TURBELLARIAN 
Worm, DESTRUCTIVE TO OYSTERS. 
By 
DAVID G° STEAD. 
Naturalist to the Board of Fisheries for 
New South Wales. : aes 
A oN i HSON} 
PUBLISHED BY AUTHORITY OF 
THE GOVERNMENT OF THE STATE OF NEW SOUTH WALES. 
TARY 
Pee ees 
SYDNEY : WILLIAM APPLEGATE GULLICK, GOVERNMENT PRINTER. 
1907. 
$9778 
