IX 



PLATES. 



PAGE. 



I. — III. Potato spraying and dusting in New Jersey facing 22 



IV. — VI. Haunts and breeding-places of Glossina morsitans in 



Nyasaland ,, 266 



VII. Wing of Pericoma townsvillcnsis, Taylor, sp. n ,, 268 



VIII. — X. Brassolis sophovae in Georgetown, British Guiana, distri- 

 bution and damage done ,, 278 



XI. & XII. Eggs and larvae of Phlebotomiis ,, 296 



XIII. — XVI. Fruit flies and their chemical reactions , 306 



XVII. Pine trees in the Himalayas, illustrating damage done by 



Ripevsia resinophila, Green, sp. n ,, 398 



31 A P. 



PAGE. 



-Carte du District du Lomami (Katanga, Congo Beige) et de la region 

 orientale voisine, illustrant la repartition de la Glossina hrevipalpis 

 et la limite occidentale de la G. morsitans to face 292 



