CHAPTER XLIX.  “A task too strong for wizard spellsThis squire had brought about;’T is easy dropping stones in wells,But who shall get them out?” “I wish to God we could hinder Dorothea from knowing this,” said Sir James Chettam, with a little frown on his brow, and an expression of intense disgust about his mouth. He was standing on the hearth-rug in the library at Lowick Grange, and speaking to Mr. Brooke. It was the day after Mr. Casaubon had been buried, and Dorothea was not yet able to leave her room. “That would be difficult, you know, Chettam, as