It was the inadvertent remark of a dinner guest that put into her head the idea that Elizabeth and Nerina should go to the party as twins. He was speaking of a Grecian vase that Lord Cardon was anxious to have valued. “You will receive a good sum for it,” his guest said. “It’s a pity it is not a pair for two of a kind are always far more valuable than one.” It was then the idea came to Lady Cardon and, because of what she anticipated might be achieved by the party she had sent to a famous wig maker in London for a head of hair that was to resemble Elizabeth’s exactly. There was no doubt at all, Nerina thought now, that in the wig, dressed and rearranged by Bessie’s skilful fingers, anyone might mistake her for Elizabeth at a distance. That was the trouble. She had to keep all those who