4: The Sister of Mercy MRS GORDON WILBERFORCE was a large, yielding lady of handsome and aristocratic features and snow-white hair. It is true that she had not reached the age when one expected hair of that snowy whiteness, and there were people who told with brutal frankness a story that was not creditable to Mrs Wilberforce. According to these gossips the lady had attended the salon of a famous beauty doctor, who had endeavoured to restore Mrs Wilberforce's hair to the beautiful golden hue which was so attractive to her friends and admirers in the late eighties. But the beauty doctor had not had that success which his discreet advertisements seemed to guarantee. One half of Mrs Wilberforce's hair had come out green, and the other a deep pinky russet brown. Thereupon, Mrs Wilberforce, w