THE MOSQUITO THEORY 



37 



another. There is now complete evidence to show that the host is 

 the Mosquito. It is therefore necessary to consider briefly the 

 outstanding features of the Mosquito Phase. 



The Mosquito is widely distributed, especially in tropical 



FJG. 32. Anopheles maculipennis 9 (Meigen). 



countries, and is generally classified under the genus Culicidoe, of 

 which probably a large number of varieties exist. The Culex is the 

 commonest species. Its larvae live almost everywhere in warm 

 countries, inhabiting any pot, tub, well, cistern, broken bottle, or, 



