You go over to the desk there, write me down the name and bring it, and there's a hundred franc note waiting here for you.

No need for the name to pass your lips." The man bowed and retreated.

In a few minutes he came back again and laid a small card upon the table.
"Monsieur will pardon my reminding him," he begged earnestly, "but if he will be so good as to never mention this little matter--" Richard nodded and waved him away.
"Sure!" he promised.
He drew the card towards him and looked at it in a puzzled manner.

Then he passed it to his sister.

Her expression, too, was blank.
"Who in the name of mischief," he exclaimed softly, "is Mr.Grex!".