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Show Professor Horsley's Discovery. Not only the medical world, but the laity also, have been highly interested by the evidence adduced by Professor Horsley in a lecture the other day, proving prov-ing that prehistoric man in the stone age frequently performed the dangerous and delicate operation of trepanning. He had found 60 skulls in collections of these relics on which the operation had undoubtedly been performed. In one case it had been done by drilling a series pf small holes probably with a bone implement im-plement and then breaking small partitions parti-tions and so releasing a piece of bone. Another operation seems to have been . perrormea wun a flint saw. a mini method was scraping. This discovery is the most important proof yet discovered discov-ered of the high intelligence of the unrecorded un-recorded races. London News. |