His scalp was shaved, the coagula and debris removed, and among other portions of bone was a piece of the anterior superior angle of each parietal bone and a semicircular piece of the frontal bone, leaving an opening 3 1/2 inches in diameter.

At 10 P.M.on the day of the injury Gage was perfectly rational and asked about his work and after his friends.

After a while delirium set in for a few days, and on the eleventh day he lost the vision in the left eye.

His convalescence was rapid and uneventful.

It was said that he discharged pieces of bone and cerebral substance from his mouth for a few days.