Some Observations on Masked Epilepsy and the Simulation of Traumatic Epilepsy by Cerebral Tumour, with Special Reference to Head Injuries without Fracture.

left index finger. Previous to his admission he had remained in bed in a London hospital for two months, where, according to the notes supplied, his case was diagnosed as one of cerebral thrombosis. The cerebrospinal fluid was found to contain 0-06 per cent. protein, excess of globulin, and 12 lymphocytes. After his admission his wife supplied the information that seven years previously he met with an accident on his bicycle, as a result of which he remained in a local hospital for three weeks with concussion. Shortly after the accident he would at times lose the power of speech for a few seconds, and she added that his present state began with an epileptic fit which 'left him paralysed on the right side, and speechless.' In view of the excess of cells in the cerebrospinal fluid an abscess was suspected and Mr. Colledge decompressed over Broca's area. A cyst, from which 2 oz. of fluid were removed, was there found attached to the pia. There was no abscess.