| Show mosquitoes AND MALARIA 0 medical record the theory that certain diseases disease may be conveyed by means of insects is not a new one linnaea was among the first to make the suggestion although his views in this respect gained no foothold dr drake and sir henry holland also drew attention to its probability latterly many investigators have endeavored to show that the mos moll quimp is indirectly instrumental in the production of many diseases and especially ally in that of malaria Charlea Charies Dr finlay of tea some papers to LAca demie royale dej sciences medicates Medi cales in belgium tending to prove that the mosquito under certain conditions may act as the transmitter of yellow fever ever and has repeatedly since that time whitten in support of this belief quite recently dr patrick manson who for many years has held the be lief that the mosquito may act as the intermediary host of claria ho mints has stated his opinion that the mosquito plays the part of the tra corporeal host of the plasmodium malarial mal ariae koch who has just returned from east africa where he be he has been studying the clinical and cal aspects of malaria under peculiarly favorable Is in agreement men t with these views he basis this agreement on the ground that moc are always pr wherever malaria prevails pre valls and he mentions one locality in which mosquitoes being absent there to is no malaria alt although houch the conditions are otherwise favorable to its production bignami last year published a paper in w which almost conclusions were drawn referring to the observations of smith and kilborne Kil bome he drew attention to an example of a disease of the blood due to an parasite and inoculated into cattle by a insect and went on to say may malaria MalOA 46 behaves itself with regard to man as if the malaria germs were inoculated by mosquitoes As long ago as 1893 repeatedly asserted iti in private his belief in this mode of transmission of malaria but he did not publish lis this view as what he regarded an aa a positive demonstration was wanting now however the contention that the malarial poison to is disseminated disseminate dby by the mosquito moo quito Js Is supported by facts which are practically as aa convincing as those which can be adduced in ia favor of any ally other theory as to its cause the question as to how the fever is contracted Is a 9 most important one for onoe once it to la the way win will behaved for a rational prophylaxis of malaria |
