LIST OF PLATES 



I'AOK 



I. War on the Mosquito : Application of Larvicide Frontispiece 



II. A Wood Leopard Moth . 38 



III. Hollow in a Bread fruit- Tree . 96 



IV. A Mosquito-proof Hut . 106 

 V. Burning Undergrowth . . 114 



VI. Vessel containing Crude Mineral Oil placed over a Mos- 

 quito Breeding-place . . . 116 

 VII. Border of Inverted Bottles . .... 118 



VIII. Natives Fishing in the Anwa River 130 



IX. Native catching Gloesina 132 



X. (a) On the Niger at Jebba. (b) View near Bakau . .146 

 XI. Verrugas Bridge . . .... 150 



XII. A Native Collector . ... .164 



XIII. The Cattle that sicken with Trypanosomiasis . .174 



XIV. Argentine Ants on a Breakfast Table . . 248 

 XV. (a) A Bridge which the Argentine Ants cannot cross. 



(6) One of the " Shelters >: built by Argentine Ante . . 260 

 XVI. Interior of an American Insectary 318 



Plates III., VI I. , VIII., IX., X., XL, XII., and XII I. 

 are reproduced by permission of the Imperial Bureau of 

 Entomolofry ; Plates /., V., and VI. by permission uf thr 

 Panama Canal Commission; Plates XIV., XV., and XVI. 

 by permission of Professor Wilmon Nnoell ; Plate II. by 

 permission of Dr Brit ton ; and Plate IV. by permission of 

 Dr Sambon. 



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