| Description | His experiments to produce fever were all negative, there have been sporadic outbreaks of cholera which have made him busy and during the last four months he has only found one crescent case but he is preparing specimens from this. One of his assistants was bitten by mosquitoes which had been infected three, four and seven days previously but had not developed fever, the same result was obtained in two other cases and further experiments with psorosperms were negative. He has discovered a new crescent case and that crescents do not proceed to flagellation in all species of mosquitoes. |