164 First Report on Economic Zoology. 



3. LOCUST PLAGUES IN THE SUDAK 



COKRESPONDENCE AXB REPOPtT PREPAPtED FOR THE 

 FOREIGN OFFICE. 



Sudan Government, 



Civil Secretary's Office, Cairo, 



2ncZ October, 1901. 



To The Directoe, 



Natural History Mnsfuni, 



Cromwell Road, S.W. 



Dear Sir, — I wrote to yon in August last asking for such infor- 

 mation as you could kindly give me about the different species of locusts, 

 the means of distinguishing them, and their habits. I am sending you by 

 this mail a proof copy of the instructions that have been drawn up for the 

 use of oflBcers in the administration of the Sudan, in which it is proposed 

 to include your notes. 



Any remarks you might think fit to make would be of great interest, 

 as the instructions will not be printed until your notes have been received 

 and included. 



These notes are being published with the shortest possible delay, and I 

 should like if possible to have them circulated by the beginning of next 

 month. I should, therefore, be very much obliged to you if you could let 

 me have your notes and remarks as soon as possible. 



I must apologise for the trouble I am giving you, but the question of 

 the destruction of locusts is so important in the Sudan that I feel it my 

 duty to collect as much information as I possibly can before publishing 

 the notes. 



I remain, etc., 



(Signed) Gleichen, 

 Assistant Civil Secretary and Sudan Agent, Cairo. 



British Museum (Nat. Hist.), 



Cromwell Road, S.W., 



\Wi October, 1901.. 



To The Civil Secretary, 



Sudan Government, Cairo. 



Sir, — I am desired by the Director to acknowledge receipt of Count 

 Gleichen's letter of the 2nd inst., enclosing proof of printed instructions for 

 the use of officers in the administration of the Sudan, with regard to the 

 destruction of locusts. 



A full reply thereto will be sent as soon as possible. 



I have the honour to be, etc., 



(Signed) C. E, Fa.g.\n, Assistant Secretary.. 



