OF the various bacteria commonly found in war importance; although these cases were not studied wounds, the Gram-positive organisms, clostridia, fully bacteriologically, it is clear from the records staphylococci, and streptococci claim the first that these were the organisms responsible for nearly attention by reason of their pathogenicity. I n the all the infections, and that of the 71 fatalities in the first world war the results of treatment of 250 head series " . . . no less than 43 were due to, or at least wounds given bv Cushing (1918) emDhasized their associated with, an intracranial infection-meningitis --. . , -___ in 14, ventriculitis in 12, encephalitis-usuailygas infection-in 9, and abscess in 8 , . .