CONTENTS. 
Introd UGtOnNs joss see ees ee oS Bee Se ee oe 
The disease and: 1ts' Cause =.) nentaac cecisee ne ae Soe eee eee nee eee 
Method: of infectiong 622 hs ate etek sees onc eee eee ene et meee eee eee 
The malarial mosquitoes; 7 fi5.28 415s Re ASE Pa ee ee oe seen en eee 
Prevention andieures 2 ciste ce ces oe oe eee ee ee eo eee eee eee 
ILLUSTRATIONS. 
Fie. 1. Anopheles quadrimaculatus: Male and female mosquitoes........-.-.--- 
2. Anopheles crucians: Female mosquito. =. s.<262 3:5 sees (eee 
3. Anopheles punctipennis: Female mosquito............-..---.-------- 
4°: Anopheles quadrimacilatus:’ Weee:. -.. sess. s> ears eee eee 
5. Anopheles quadrimaculatus: Larva in resting position............---.-- 
6.. Anopheles quadrimaculatus: Pupa-.-< 222-2 2r- o-c 2-2 --— ee 
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