Show plague and fleas i the part played by fleas in the spread ot of plague Is dealt with in an able manner by J W W S in nature A latin writer Avi cenna Is 15 quoted to show that about the year 1600 it was known that there was some definite connection between rats and plague in more recent jears it has been a matter of 0 common observation in india that in times of plague a large number of dead rats are found and these are found to contain the plague ba bacilli illi in irk abundance in 1898 sl si mond expressed the view that in the majority of 0 cases the plague was con keyed from the rat to man through gh the agency of the flea experiments which he tried with fleas from rats dead of the plague showed how this is possible other experimenters have obtained similar results while others have been led to doubt simond a gen |