Her expression was grave and unruffled, though a certain look of amusement might have been detected in her eyes, by a youth less embarrassed than Mr. West was.

"Don't do that," he said; "Bubbles could never find out. You wish to know who is sending you flowers?"

"Very much. Can you find out?"

"I think so. I mean, I'm sure I can."

"And when you have found him will you point out to him that in the future he must be open and above-board, or something disagreeable will be done to him?"

Mr. West bowed humbly.

"How long," she asked, "will it take you to run the creature down?"

"Well," said Mr. West, "I could go to the florist whose name is on the box, show my badge, and exact a description of the man who bought the flowers. Then I could give you the description, and if you knew any such man--"

"The florist," said Barbara, her expression Sphinx-like, "is just 'round the corner."

"I hear," said Mr. West, "and I obey."