From the book:
It annoyed Doctor Avery Chase to hear his cousin Robert denounce as a phoney the frightened young girl found late one night sitting on the doorstep of Chace, the family home on the edge of Devon moors.
But Robert was convinced that the girl who said she thought her was Lygia was acting the part of a person who had lost her memory just to see what she could get out of the walthy Avery
Lygia was tormented by her inability to remeber, buy the sole clue to her identity seemed to be the mark of a ring on the third finger of her left hand; a mark which Lygia noted with some misgiving
It annoyed Doctor Avery Chase to hear his cousin Robert denounce as a phoney the frightened young girl found late one night sitting on the doorstep of Chace, the family home on the edge of Devon moors.
But Robert was convinced that the girl who said she thought her was Lygia was acting the part of a person who had lost her memory just to see what she could get out of the walthy Avery
Lygia was tormented by her inability to remeber, buy the sole clue to her identity seemed to be the mark of a ring on the third finger of her left hand; a mark which Lygia noted with some misgiving