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THE POPULAR SCIENCE MONTHLY 



The University of Liverpool. 



had disclosed the life history of the malarial parasite in the mosquito. 

 That the mosquito was in some way connected with malaria was known 

 as early as the fifth century, B.C., when Empedocles, a Greek philosopher 

 of that period, delivered the people of Selinus, Sicily, from a pestilence 

 by draining the neighboring marshes. Yet it was not until 1878, 

 when Sir Patrick Manson observed the presence of the little worm, 

 filaria, in a mosquito that there were any experiments to prove that 

 mosquitoes carry disease. 



In 1895, Major Boss, inspired by Manson, began to study the fate 

 of the flagellating bodies which were first observed by the French 

 army-surgeon, Laveran, at Constantine, Algeria. A few years later, 

 beino- so situated as to be unable to continue his work on human 

 malaria, Eoss took up the same line of work in the malaria of birds. 

 In July, 1898, he followed the development of the malarial organism 



