  Alas! there was no Hereditary Scratcher.  Meantime the tears
had overflowed their banks, and begun to trickle down Tom’s cheeks.  His
twitching nose was pleading more urgently than ever for relief.  At last
nature broke down the barriers of etiquette:  Tom lifted up an inward
prayer for pardon if he was doing wrong, and brought relief to the
burdened hearts of his court by scratching his nose himself.