Typed case summary, autopsy report, note, reports, charts and correspondence relating to male patient from Edinburgh and the Lothians aged 26 at first examination in 1952. Conditions mentioned include: internal hydrocephalus; nystagmus; 6th nerve paresis; increased intracranial pressure; pyocyaneus meningitis; and obstruction of ventricles. Surgical and nonsurgical treatment given. Patient died in hospital.