From the October 29, 1932, issue

THE OWL AND THE PUSSYCAT RIVALS AT MOUSE-CATCHING

One of the favorite riddles of childhood was, “Spell ‘mousetrap’ in three letters”; and the answer was “C-A-T.” With even more appropriateness, the answer might have been “O-W-L,” for the Owl is an even better mousetrap than the Pussycat, besides being somewhat more restrained in the matter of midnight serenades and not addicted to messing up the place with frequent litters of kittens.