"You are very kind, Mrs Inglethwaite," said Robin, shaking hands. "But I am not quite a stranger to you. Do you mind my face?"

Kitty turned scarlet.

"Mind your——? Not in the—I mean—I am sure we are de——" She floundered hopelessly.

Robin laughed pleasantly.

"There is my Scots tongue running away with me already," he said. "I should have asked rather if you remembered my face."

This time Kitty ceased to look confused, but still retained a puzzled frown.

"No," she said slowly; "I don't think——"

"No wonder!" said Robin. "We met once, in a railway carriage, six years ago. Between Edinburgh and Perth—on a Saturday afternoon," he added expressively.

Light broke in upon Kitty. "Of course!" she said. "Now I remember. That dreadful journey! You were the gentleman who was so kind and helpful. How nice and romantic meeting again! Adrian, you silly old creature, why didn't you tell me? Now, Mr Fordyce, let me introduce you to my sisters."

She wheeled him round and presented him to the Twins.