MINISTRY OF AGRICULTURE, EGYPT. 



Technical and Scientific Service. 



Bulletin No. 22. 



OBSERVATIONS ON 



THE COCCIDJ; OF 



EGYPT, 



By W. J. HALL, A.R.C.S., F.E.S., 



.JOIST, Ml:- iOLTDBB 



(Edited by the Publication Committee of the Ministry of Agriculture.) 



Government Press, Cairo, 1922. 

 Price P.T. 5. 



