3IALARIA AND MOSQUITOES 55 



outbreaks of the fever in men and cattle. They received 

 and entertained many visitors who were interested in the 

 experiment. Thej^ turned indoors before six o'clock and 

 then stood at the windows and timed the first appearance 





!#' 



Fig. 5. — The Maliiriu llousi' on llic ('imii)!i,<,nia, seen from a distance. 

 (From the Journal of Tropical Medicine.) 



of Anopheles, which would come at a certain hour each 

 evenino- and try to enter the screened windows and doors. 

 As Dr. Rees expressed it, "It must have been very tanta- 

 lizing: for them to be unable to get at us." When the 

 rains set in, everyone said that that was the critical time 



