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DEPART/nENT OE AGRICULTURE, 



NEW SOUTH WALES. 



SCIENCE BULLETIN, 

 No. 18. 



June, 1921 



A Descriptive Catalogue of the Scale 

 Insects ("Coccidae") of Australia. 



PART 11. 



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



Government Entomologist. 



Workers in the respective branches of Economic Science covered 

 by this series of Science Bulletins will receive such of them as may 

 be of use in their special branches of study upon application to the 

 Under Secretary and Director, Department of Agriculture, Sydney. 



svoNcr: william appueoate oullick, government phinter.— 1921 



