No. of Copies Issued, 1,000. 



DEPARTMENT OF AGRICULTURE, 

 NEW SOUTH WALES. 



SCIENCE BULLETIN, No. 3. 



MARCH FLIES. 



BY 



WALTER W. FROGGATT, F.L.S., 



Government Entomologist. 



t 1586 



SYDNEY: WILLIAM APPLEGATE GULLICK t GOVERNMENT PRINTER. 



1911. 



