No. ol Copies Issued, 1,000. 



DEPARTMENT OF AGRICULTURE. 

 NEW SOUTH WALES. 



SCIENCE 'BULLETIN, No. 19. 



A DESCRIPTIVE CATALOGUE OF THE SCALE 

 INSECTS rCOCCIDAE") OF AUSTRALIA. 



PART IIL 



W. W. FROGGATt/ F.L.S., 



/// 

 Government Entomologist. 



SYDNEY: WILLIAM APPLEGATE GULLICK, GOVERNMENT PRINTER. 



I921 



