====================================================================== | | |Experi- | | |mental Author | Insect | Source of infection |trans- | | |mission ---------------+---------------+---------------------------+---------- Yersin |Flies |Laboratory infection | Nuttal |Flies |Experimental infection | Nuttal |Bedbugs |Experimental infection |Negative | | | by bite. Nuttal |Flea |Experimental infection |Negative. Hankin |Ant's fæces |Fed on plague material | Hankin |Bedbugs |Plague hospital | Ogata |Flea |Plague rats | Simond |Flea |Plague rats, experimental |Positive. Tindswell, 1900|Flea |Plague rats |Negative. Tindswell, 1903|Flea |Plague rats |Negative. Kolle |Flea |Experimental infection |Negative. Gauthier and |Flea |Experimental infection |Positive. Raybaud | | | Liston |Flea |Epidemic among pigs; | | | harbored fleas; | | | dead rats found |Positive. Zirolia |Flea |Retained _Bacillus pestis_,| | | 7-8 days | British |Flea |Repeated experiments |Positive. Commission | | | Verbijtski |Flea and bedbug|Experimental infection |Positive. La Bonadière |Fly | | and | | | Xanthopulides| | | Herzog |_Pediculus |Dead body of plague case | | capitis_ | | ---------------+---------------+---------------------------+---------- II. OBSERVATIONS ON THE TRANSMISSION OF PLAGUE BY BLOOD-SUCKING INSECTS