Mr. Neal tried another precautionary question, in a new direction.
“When I have written what you wish me to write,” he asked, “what is to be done with it?”
This time the answer came:
“Seal it up in my presence, and post it to my ex—”
His laboring articulation suddenly stopped and he looked piteously in the questioner’s face for the next word.
“Do you mean your executor?”
“Yes.”
“It is a letter, I suppose, that I am to post?” There was no answer. “May I ask if it is a letter altering your will?”
“Nothing of the sort.”
Mr. Neal considered a little. The mystery was thickening. The one way out of it, so far, was the way traced faintly through that strange story of the unfinished letter which the doctor had repeated to him in Mrs. Armadale’s words. The nearer he approached his unknown responsibility, the more ominous it seemed of something serious to come. Should he risk another question before he pledged himself irrevocably? As the doubt crossed his mind, he felt Mrs. Armadale’s silk dress touch him on the side furthest from her husband. Her delicate dark hand was laid gently on his arm; her full deep African eyes looked at him in submissive entreaty. “My husband is very anxious,” she whispered. “Will you quiet his anxiety, sir, by taking your place at the writing-table?”