284 



INDEX. 



Zaitha, predacious on mosquito 



larvae in Brazil, 202. 

 zammitti, Aedes {Ochlerotatus) . 

 Zebra, Oestrids infesting, in East 



Africa, 44. 

 zebrae, Gastrophilus pecovum. 

 zeta, Sarcophaga. 



Zinc Oxide, in repellent for screw- 

 worm flies, 183. 



zonatus, Dacus [Choetodacus) . 



Zululand, trypanosomiasis and 

 Glossina in, 1, 46, 198 ; suggested 

 investigation of Glossina problem 

 in, 54. 



Zyklon, hydrocyanic acid gas com- 

 pared with, 165. 



