J\cporfs to the Forcig)i Office. 165 



Bbitibii Ml'BECm (Nat. Hist.), 



Cromwell lioad, S.W. 



To Thk Civil Skcrktauy, 



Sudan (tovcrniiR'nt, Cairo, Kgypt. 



Dkar Sir, — Referrini; to Count Oleichcn's letter of the 2ml inst. 

 (No. C.S.S. i/12.')'»), I Hin (k-sired by the Direi'tor to send you henwith a 

 re|)ort on the subject of locust plujjnes in the Su<lan, with notes and 

 8u«r<:estions for the destruction of the locusts. 



I am to point out that while Count (Jleichen's letter of the 2nd iuBt. 

 refers to locu.sts, his lett<.'r of the 7th Anunist is (in the subject of White 

 Auts. A .sejKirate report will Ik.- forwunled to you iu due course in repird 

 t<i this hist question, which is forming; the subject of investigation by the 

 ^luseum. 



I remain, etc., 



(Signed) C. E. Faqan. 



Report on Locust Plagues in the Sudan. 



At the request of the Foreiijn Office, the following infoiination 

 reganling the L>cust Plagues iu the Sudan has been despatched for 

 the use of the Sudan Government. 



Particular attention is callo<l to sections B. 2, 3, and 4 in the RciM»rt. 

 Eijieri nents should cerUiinly Ije trieil in connection with the African 

 Locust fungus and the use of " poison-baits." 



Prevention and Rejrw^lu's for Lontst Phujufs. 



A. Destruction by capture iu, 1, trenches; 2, tra}i8 ; 3, l)y burning. 

 This was fully dealt with in the proof of a |iiq>er sent from Egy])t. 

 P. 1. Destruction of the eggs. 



2. C<.)llectiou of "hopiK-rs" by special machines. 



.S. " Poison-lKiits." 



4. Fimgoid di.sease. 



h. Plants jKtisonous to locusts. 



(!. Natural enemies. 



Ajrficndix (p. 170). 

 Various locusts. North African. 



P.. 1. Dk.stuuction of Et.gs. 

 (rt) By ruiti ration. 



The eggs are usually laid in finn ground to guanl them against natural 

 enemies. 



By turning up and loosening the soil to a depth of three inches, the 

 eggs am be exjxjfied, and numl)er8 are de8troye<l by binis, parasitic 

 insects, etc. 



