slightest acquaintance with the history of therapeutics, the most casual examination of the evidence of alleged cures, the faintest stirring of the reasoning faculty, as the votary asks himself whether the foremost pathologists who work continuously with the best available material in an institution devoted to the scientific study of cancer will not be more likely to arrive at a correct estimate of the probability of cure, by means other than extirpation, than a quite uninstructed masseur who has taken to 'spiritual healing,' these, one would suppose, would be sufficient to check the growth of credulity which we see in such evidence around us. Yet the reader will probably feel that Osler is not going beyond the warrant of easily ascertainable fact when he says:
'We must acknowledge its potency to-day as effective among the most civilised people, the people with whom education is the most widely spread, yet who absorb with wholesale credulity delusions as childish as any that have enslaved the mind of man.'
Professor Osler's conclusion is worth quoting:
'Having recently had to look over a large literature on the subject of mental healing, ancient and modern, I have tried to put the