 She had never concealed from her mother, or the worthy teacher whom she had truly loved, the smallest breach of rules, the least naughtiness or wilful act of which she had been guilty; nay, she had never been able to rest till she had poured out a confession, before evening prayer, of all that her little heart told her was not perfectly right, to some one whom she loved, and obtained full forgiveness.  Night after night the "Water- wagtail" had gone to sleep with a conscience as clear and as white as the breast of her whitest dove, and the worst sin she had ever committed during the day was some forbidden scramble, some dainty or, more frequently, some rude and angry word.