Use of D.D.T. as a Plague Control Measure in the Bombay State *Editorial note.—Revised and rearranged in the Editorial Office by the referee, S. C. S.

ever, experience suggested that these measures in the field were able to achieve only a partial control of plague infection which continued to reappear in such village during the favourable plague season. The use of D.D.T. seems to have changed this state of affairs as observed from the recent field experience in various districts of the province. With a view to finding out the most effective method of using D.D.T. for plague control as also for its total eradication from an area, certain field trials were carried out, the results of which are given below :