Show insects scatter disease surgen general weyman has issued a general circular cir bular to anaed cal officers of the marine hospital service calling spec al attention to the importance of insects as factors in conveying d sease the circular says there is no longer any doubt as to the relation of the mosquito to malarial diseases and to fil anasis according to simond it says plague is transmitted from the rat to man by the flea the infection of typhoid fever and to a certain extent cholera may be conveyed by fl es medical officers are directed to place mosquito netting over the beds of corn diseased patients t |