CONTENTS. 



ORIGINAL ARTICLES. 



Bodkin, 6. E„ & Cleare, L. D„ jnr. An Invasion of British 

 Guiana by Locusts in 1917, with a Complete Illustrated 

 Account of the Life-history of the Species (ittustr ated) - 



GtEdoelst, L.^ Inventaire d'une Collection; d'Oestrides africains 



Gough, Dr. L. H. On the Effects Produced by the Attacks of 

 the Pink Boll worm on the Yield of Cotton Seed and Lint in 

 Egypt (Plate XVIII) - ------- 



Johnson, Wl B. Domestic Mosquitos of the Northern Provinces 

 of Nigeria - -- - ... 



Marshall, Dr. Gut A. E. Some New Injurious Weevils from 

 Asia (Plate XVII). --*--- 



PAGE 



', 341; 

 333 



279 

 325 

 273; 



Collections received 



MISCELLANEOUS. 



- 





359 



