We need not blame the statesmen and writers of Boyle's time for failing to recognize the inward significance of national and racial manifestations any more than we condemn his contemporary physicians for failing to separate from the mass of disease such conditions as are known to modern medical men as appendicitis and typhoid fever. Typhoid fever and appendicitis existed in Boyle's time just as did national disturbances and racial antipathies, but their nature and significance passed.