THE LAST 10 years have been marked by progress in the study of epilepsy. A new international classification of epilepsy has been put forward (Gastaut et al., 1964). Succinamides have been introduced for the treatment of petit mal (Heathfield & Jewsbery, 1961) and have become an established treatment, while sulthiame (Fenton, Serafetinedes & Pond, 1964; Liu, 1966) and carbamazepine (Bird et al.,...