Show EXPERT REPORTS ON ON HILLING KILLING OF FLEAS WASHINGTON Aug L Fleas t.-Fleas Fleas can enn live In water from ono one to seven even days das but kerosene and miscible oil and sulphur dIoxide are arc quick and ef effective er- er In destroying them according to the report of ot tho public health service The Investigation was made mado by Maurice Maurico B B. B l an assistant in the tho plague laboratory at San who reports in Sn detail on the technique of or Ilea flea killing Wiling Only fleas healthy enough to hop about were experimented with and no fleas subject to various destructive 6 sch schemes mes were re regarded as dead unless tho the observation atlon of or thorn them covered a a. considerable period for many of ot them theme at first apparently apparently ap ap- ap- ap killed sufficiently to perform their duties including biting |