Why had she written to him and received letters from him when her husband had plainly told her that any such communication was objectionable?
She had done so, and as far as Trevelyan could remember her words, had plainly declared that she would continue to do so.

He had sent her away into the most remote retirement he could find for her; but the post was open to her.

He had heard much of Mrs.Stanbury, and of Priscilla, from his friend Hugh, and thoroughly believed that his wife was in respectable hands.

But what was to prevent Colonel Osborne from going after her, if he chose to do so?
And if he did so choose, Mrs.Stanbury could not prevent their meeting.

He was racked with jealousy, and yet he did not cease to declare to himself that he knew his wife too well to believe that she would sin.