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Chapter X 



TO CAPTURE, PRESERVE ALIVE, AND 

 EXPERIMENTALLY FEED MOSQUITOES 



To Capture Anophelines 



Necessary Apparatus. — One or two small 

 collecting tubes (Fig. 27), a clean and perfectly 

 dry bottle (whiskey bottle), some cotton wool. 



To Detect Anophelines 



Choose a suitable native village, i.e., in Africa, 

 any bush village ; or in India, any village near a 

 nallah or other source of Anopheline larvae. 



Determine wYitiher Anophelines exist in any of 

 the following situations : — 



1. In the dark corners of sheds, cow-houses, 

 or other out-houses. 



2. Under the eaves (in darkish parts) of the 

 huts. 



3. In the huts themselves, hanging to straws, 

 stalactites of soot, etc., etc. 



4. Any other likely situations, e.g., collections 

 of dry grass ; in the undergrowth in the bush 

 (capture in this situation is difficult). 



Procedure. — If, on inspection, none of the 

 insects can be detected by careful scrutiny (the 



