Xiv ILLUSTRATIONS IN THE TEXT. 



PAGE. 



Dia^'raiii of appuratu!; nsiul in larvicide experiment 290 



Larva of Stcgonn/ia /(isciaia, head, in four stages, 298 ; labial plate in four 



stages, 299 ; four stages of ventral thoracic hook and second abdominal 



segment, 300 ; four stages of scales from comb and from pecten, 301 ; 



posterior end in iirst three stages, 303 ; end in fourth stage . . . . 304 

 Gocridoxenus distingue ndus, Wateraton, sp. n., mandibk; and details of 



neuration .. .. •• •• •• •• •• •• •• 311 



AHhognathus afer,'6\b;r.,\3iX. cavilahrisnov., $ labrum .. .. .. 313 



Euscmion itaUrum,Masi, $, basal half of fore wing 816 



Eabrolcpis apicalis, Waterston, sp. n., (J, antenna, mandibles, and hind femur 319 



Aspidintiphagus citrinus. Craw, $ mandible . . . . . . . . . . 320 



Eriaporus laticeps, Waterston, sp. n., $, mandible, right fore wing and 



mesonotum . . . . . . • • • • • • • • • • . . 323 



Toxoptcra coffeae, Nietn., details of $, alate and apterous, 329 ; wings, 340 ; 



ornamentation of cuticle . . . . . . . . . . . . . . 341 



Diagrams of relations between plants and insects . . . . . . . . 388 



Chart showing seasonal incidence of Tabanidae in Zanzibar . . 398 



