vi. CONTENTS 



Jack, Rupert W. 



Some Notes and Remarks on the Bionomics of Glossina morsitans. ... 113 



Lamborn, Dr. W. A. 



Some further Notes on the Tsetse-Flies of Nyasaland 101 



The Habits of a Dipteron predaceous on Mosquitos in Nyasaland . . 279 



Lloyd, Capt. LI. 



On the Reasons for the Variation in the Effects of Formaldehyde as 

 a Poison for House-flies 47 



Macfie, Dr. J. W. S. & Ingram, Dr. A. 



The Early Stages of West African Mosquitos. V. Culex decens, 

 Theo., and Culex invidiosus, Theo 105 



MacGregor, Malcolm E. 



A New Type of Entomological Killing Bottle 283 



JIarshall, Dr. G. A. K. 



Some New Injurious Weevils 271 



Newstead, Prof. R. 



On the Genus Phlebotomus. Part IV 305 



Swellengrebel, Dr. N. H. & Swellengrebel de Graaf, J. M. H. 



List of the Anophelines of the Malay Archipelago with special refer- 

 ence to Adults and Larvae of new or incompletely described Species 

 or Varieties 77 



SWYNNERTON, C. F. M. 



An Examination of the Tsetse Problem in North Mossurise, Portuguese 

 East Africa 315 



Temp ANY, Dr. H. A. & d'Emmerez de Charmoy, D. 



The Campaign against Phytalus smithi in the Colony of Mauritius .... 159 



Theobald, F. V. 



Aphidae of Persia 153 



African Aphidae. — Part IV 65 



UVAROV, B. P. 



A preliminary Revision of the Genus Dociostaurus, Fieb 397 



Williams, C. B. 



A Pannier Hopper-dozer 179 



Ketek, James. 



Anopheles breeding among Water Lettuce. A new Habitat 73 



MISCELLANEOUS. 

 Collections received 93, 187, 313, 409 



