$$$ 
CENSUS. 
OF 
NEW SOUTH WALES 
FRESH-WATER ALGAE 
BY 
G. I. PLAYFAIR, 
Honorary Curator of Freshwater Algae, National Herbarium, Botanic 
Gardens, Sydney. 
SYDNEY; 
W. A, GULLICK, GOVERNMENT PRINTER. 
IQI7. 
73011—A 
