Vll 



PLATES. 



I.-II. Breeding-places of Tabaniis spp. and SUviiis nola/iis 



III. Mango Tree attacked by Entlivryhiniis nicditahinidiis, 



F 



IV. Wings of Cnlicoidcs spp. 

 V.-VI. Spiracles of Larvae of M\'iasis-producing Flies 



VII. Fig. 1. — A Typical Case of " Simuliuni Disease " 

 Fig. 2. — View of Habitat of Simulium 



\TII. Views of Habitats of Simulium in Kenya Colony 



IX. Terniitaria of Drepanotermes silvestrii, Hill . . 



X. Tenmtix.Y\a. oi Hamitermes perplexus, WiW 



XI. Termitarinm of Hamiicrmcs meridionalis, Frogg. 



XII. Termitaria of Hamileymes perplexus, Kill 



XIII. Male Genitalia of West African Species of Simiiliiim 



XIV. Respiratory Filaments of Pupae of Simulium 

 XV. -XVI. Parasites of Mango Leaf-hoppers ( Idioccru^ spp.) 



XVII. I'^ggs of Psorophora posficafa, Wied. 



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