She must never let him know of the letter hidden under the carpet, and watched by her so carefully. Every day she went to the spot to make sure it was there, and every day she read it again until she knew it by heart, and had no need to read it except to see if she had not by some chance made a mistake and read it wrong. But she had not; the proof was there, of crime, and guilt, and sin, such as made her terribly afraid of the man who fondled and caressed her now more than he had done in weeks, and who at last welcomed Agnes, when she came, even more warmly than she did herself, though in not quite so demonstrative a manner.

Agnes had gone straight to her sister’s room, which Josephine had not left since the day she took the foreign letter from the office and hid it under the carpet. She had become a monomaniac on the subject of that letter, and dared not leave lest some one should find it, but sat all day in her easy-chair, which had been drawn into the bay window, and stood directly over her secret. And there she sat when Agnes came in, and then, as if all her remaining nerves had given way, she threw her arms around her neck and sobbing out, “Oh, Aggie, I am glad you have come; I could not have borne it much longer,” fainted entirely away.

CHAPTER XLVII.
AGNES FINDS THE LETTER.

If there was one thing more than another which Agnes detested, it was carpet-bugs; those little black pests which, within a few years, have crept into the houses in certain sections of the country, carrying with them ruin to whatever they fasten upon, and dismay and wretchedness to those who will persist in hunting for them. Among the latter class was Agnes, who, from the moment the cry of carpet-bugs was raised in Holburton, had spent half her time upon her hands and knees, searching for them on the edges of the carpets, and the rest of her time hunting them in bundles, and boxes, and drawers. They seemed to owe her a special spite, for they had eaten her woolen shawl, and her furs, and her best delaine dress, and life was becoming a burden to her, when she received Josephine’s letter, begging her to come at once to the Forrest House.

Always ready at a kind word to forgive her sister for any amount of unkindness, Agnes decided at once to go, feeling that it would be some comfort to escape from the dreadful bugs. She did not think they had yet reached Rothsay; but she meant to make it her first business to hunt for them, and equipped herself with all the ingredients named in the category for their extirpation. Persian powder, red pepper, Scotch snuff, cut tobacco, Paris green, hellebore, and even Prussic acid formed a portion of her luggage when she reached the Forrest House, and found her sister so ill and weak that for a time she had no thought for carpet-bugs, and had there been an army there they would have reveled in perfect security for all of her interference. But after a few days, when Josephine seemed better and was sleeping quietly, the desire for research and battle came upon her again, incited by the softness of the velvet carpet in her sister’s room, which she thought furnished such a rich field for the marauders. As it happened, the bay window was the point at which she commenced operations, as it was farthest from Josephine’s bed.

“They have been here, too,” was her whispered exclamation as she caught sight of the familiar sign, the carpet loosened from the floor; and eager in her search she turned the carpet back farther and farther until she saw the corner of the letter just protruding in sight. To draw it out and glance at the name upon it, “J. Everard Forrest,” was the work of a moment, and then she wondered how it came there, and if it were some old thing received by Everard years ago, and left lying about as something of no interest to him or anybody. It looked old and worn, and as if it had been read many times. Surely there could be no harm in her glancing at the contents just to see if it were of any value.

Thus reasoning, Agnes opened the letter, saw the signature and the date, and then with lightning rapidity read the whole, and Josephine’s secret was hers no longer, for Agnes had it, and the effect on her at first was almost as great as it had been on Josephine. That a great wrong had been committed she was certain, just as she was certain that the letter was being withheld from its rightful owner. But by whom? That was the question she asked herself during the moment she sat motionless upon the floor, unable to move, or scarcely think clearly, in her bewildered state of mind. She did not quite believe it was Josephine, and if not, then it must be Dr. Matthewson, and he, if the letter were true, was capable of anything wicked and bad; and there came over her a great fear of him just as it had crept over Josephine when she first knew his sin. Agnes must not let him know what she had found, and, believing Josephine innocent, she must not disturb her, and add to her nervousness. Everard, she had heard, was out of town for a little vacation, which he usually took at that season, and Miss Belknap was therefore the only person in whom she could safely confide.

“She will know just what to do,” Agnes thought, and, hiding the letter in her pocket, she arranged the carpet and curtains very carefully, put the easy-chair in its place, and was at her sewing by the window when Josephine awoke, after a sleep of nearly two hours’ duration.

She was feeling better, and was disposed to be very kind and indulgent toward Agnes, who, she saw, was looking tired and pale.