The doves wings whistled over the water

Messalla frowns at the wide circular cover, for a moment returning to his own fussy world.

What is implied in this sentence from mark twain's "the £1,000,000 bank-note"? i was puzzled, and wanted to discuss the matter a little further, but they didn't; so i took my leave, feeling hurt and insulted to be made the butt of what was apparently some kind of a practical joke, and yet obliged to put up with it, not being in circumstances to resent affronts from rich and strong folk.

Name five of the six points you should check,or have checked, when you are practicing your speech by recording it or with a f listening