The rest of him appeared above the string-piece.
"Did you get your glasses?"
He stared at her for half a minute longer.
"I supposed, of course, you were going after them," she added gravely.
"So I was, by Jove! I quite forgot."
The tall man in the wet flannels turned around, stepped upon the string-piece again, poised himself, and then shot head downward into the water, cleaving it as cleanly as an arrow. Miss Chalmers was too surprised to move. She merely waited.
A quarter of a minute, then half a minute elapsed. Then, just as she was minded to run to the end of the wharf and look for him, a hand containing a pair of field-glasses appeared, followed immediately by its owner.
"Awfully good of you to remind me, don't you know."
Miss Chalmers was thinking swiftly.
"I don't know whether he is a fool or not," she told herself. "I'll be careful."