The authors give the results of their treatment of epileptics by the method suggested by Richet and Toulouse, according to whom diminution of the excess of chlorides present in the organism favours the curative action of bromide salts in epilepsy without disturbing appreciably the normal physiological metabolism. They experimented on twenty patients, eleven men and nine women, who were taking from 45 to 120 grains of bromide per diem. Chlorine was suppressed from the diet. They noted the number of crises during the six months preceding this special treatment, during the forty days of treatment, and during the two months following. A brief history of each case is given. No objection to the treatment occurred on the part of the patients. Their general conclusions may be thus summarised: