next question whether the pneamonic plague, of which the bacteria are identical with those of the bubonic UN
553 type follows the same groove of mission as that for the latter ty has been practically solved and determined in the negative by the characteristic feature of the pneamonic plague now prevailing in Manchuria, which consists in the absolute freedom from infection of any of the nearly 20,000 rats brought so far under technical examination and experiment, many of them from infected premises, and which has testified to the absence of infection among the rate, The nataral deductions follow that neither rats nor fleas have played any part in the present plogae situation and that infection is contracted through coming in close contact with plague vi coly and through the respiratory or; and by medium of the expecta and spittings. It may be likened to a case of consumption, which, as already linted, is far milder variety of contageous disease, bat which, non-the-less, takes exactly the same channel of transmission, "On the strength of the above dednctionr, the task of putting down the plague in' Manchuria will be an easy thing to accomplish from the scientific viewpoint, for the troublesome question of dealing with the rats may be eliminate ed and all that is necessary will be to discover the appearance of fresh caves at the earliest moment in order to isolate them, together with the people under the same roof for medical sur veil Innce for a sufficient period.
Text read from the printed page and cleaned; old type leaves the occasional error.