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At this period our knowledge of the physiological action of venoms was extremely limited. A few of their properties alone had been brought to light by the works of Weir Mitchell and Reichard in America, of Wall and Armstrong in India and-england, of A. Gautier and Kaufmann in France, and especially by Sir Joseph Fayrer's splendidly illustrated volume The Thanatophidia of pub lished in London in 1872.
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