Original caption reads: Two Kisii skulls, trepanned in life, with two knives, two scrapers with curved tips, and one saw. The skull on the left has been holed by sawing. Photograph: Margetts, 1958.
Credit: "Trepanation of The Skull by The Medicine-men of Primitive Cultures, With Particular Reference to Present-day Native East African Practice", by Edward Lambert Margetts (in Proceedings of the Third World Congress of Psychiatry, Montreal, Canada (4-10 June 1961). University of Toronto Press/McGill University Press, Vol.II, 1962). Extracts published on the internet by the International Trepanation Advocacy Group (ITAG), from where this image was taken.
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