Mosquitoes and Malaria 
193 
a region famous for centuries as a hot-bed of malaria. The two 
experimenters moved about freely throughout the day, exposed 
126. Life cycle of the malarial parasite. After Miss Anna Stryke. 
themselves to rains and all kinds of weather, drank marsh water, 
slept exposed to the marsh air, and, in short, did everything which 
was supposed to cause malaria, except that they protected them¬ 
selves thoroughly from mosquito bites, retiring at sunset to a mosquito- 
