Cains Coll., Cambridge; Late Medical Tutor, Bristol Medical School.
(Continued from page 28.) 8 and 9. Brain abscess.?The importance of middle-ear disease as a cause of brain abscess is very great; for it is estimated that from
40% to 50% (Gowers, 42 % ; Barker, of all brain abscesses which occur without external 50%) wound are due to suppurative otitis media. As to the position