Notes on the Study of Plague in the Field

to study plague in the field (i.e., outside the laboratory) are often concerned with urgent problems connected with evacuation, inoculation, trapping and baiting, disinfection and disinfestation. Most of the information required to carry out this type of investigation is to be found in voluminous reports and in articles scattered in different periodicals, which are not readily available for the field worker. I have endeavoured to give a few practical points which may be of assistance to field workers; enquiries have been received from time to time about most of these points. In field studies it is desirable to obtain in-