MINISTRY OF AGRICULTURE, EGYPT. 



TECHNICAL AND SCIENTIFIC SERVICE. 



Bulletin No. 1 1 . 



(ENTOMOLOGICAL SECTION.) 



SIMON'S HOT-AIR MACHINE 



FOR THE 



TREATMENT OF COTTON SEED AGALNST PINK BOLL WORM, 



BY 



(,. STnllMY, B.A., F.lvS., 



ENTOMOLOGIST TO THE MINISTRY OF AGRICULTURE. 



mitii-ii | 



CAIRO. 

 GOVERNMENT PRESS. 



To be obtained, either directly or through any Bookseller, 

 from the GOVERNMENT PUBLICATIONS OFFICE, Old Ismailia ttilarc. Sharia Qaar el c Aini. 



1921 

 PRICE: P.T. I. 



