Vll. 



PLATES. 



PAGE. 



I. Wings of African Trypaneidae .facing 46 



II. Canadian Bot-flies „ 106 



III.-VII & XII.-XVI. South African Coccidae „ 140, 240 



VIII-XI. Views to illustrate an Examination of 



Sense-reactions of Flies „ 152 



XVII. Injurious Asiatic Curculionidae „ 278 



XVIII. Gdechia gossypiella and its early Stages „ 324 



MAPS 



PAGE. 



Grenada to face 87 



Levels of Lake Victoria recorded at Entebbe „ 270 



