Note 23 — Chapter VI · Industry, Commerce, and Social Organization; Fights, Wounds and Trepanation.

A tumulus in the Guisseny commune (Finistère), excavated about two years ago, covered over a sepulchral crypt. At the southeastern extremity was picked up a badly baked hand-made earthenware vase with four handles. Beside the vase lay a skull, on which could be made out traces of oxidation, which had probably been caused by the wearing of a metal band, which has not been found. This skull bears on the right side a little oval hole with cicatrized edges about an inch long by two fifths of an inch broad. The discovery of a bronze dagger and two bronze plaques leaves no doubt as to the age of this tumulus. This example of trepanation is the only well authenticated one of which I know in Brittany. It is true one skull has been mentioned as found beneath the megalithic monument of Saint-Picoux de Quiberon (Morbihan), which is even said to bear marks of sawing and scraping made in attempting trepanation, but this fact has been very much questioned, and the date at which the trepanation was performed, if performed it were, is very doubtful.23 The proof we are seeking of the antiquity of the operation of trepanation is not therefore to be found here.