Peter and Billy, the two upper grooms at Willowbrook, were polishing the sides of the tall mail phaeton with chamois-skin rubbers and whistling, each a different tune, as they worked. So intent were they upon this musical controversy that they were not aware of Mrs. Carter's approach until her shadow darkened the carriage-house doorway. She gathered up her skirts in both hands and gingerly stepped inside. Peter had been swashing water about with a liberal hand, and the carriage-house floor was damp.