Mrs. Milroy looked at the envelope. It had been closed as usual by means of adhesive gum, which had been made to give way by the application of steam. As Mrs. Milroy took out the letter, her hand trembled violently, and the white enamel parted into cracks over the wrinkles on her forehead.
Rachel withdrew to the window to keep watch on the park. “Don’t hurry,” she said. “No signs of her yet.”
Mrs. Milroy still paused, keeping the all-important morsel of paper folded in her hand. She could have taken Miss Gwilt’s life, but she hesitated at reading Miss Gwilt’s letter.
“Are you troubled with scruples?” asked the nurse, with a sneer. “Consider it a duty you owe to your daughter.”
“You wretch!” said Mrs. Milroy. With that expression of opinion, she opened the letter.
It was evidently written in great haste, was undated, and was signed in initials only. Thus it ran:
“Diana Street.
“MY DEAR LYDIA—The cab is waiting at the door, and I have only a moment to tell you that I am obliged to leave London, on business, for three or four days, or a week at longest. My letters will be forwarded if you write. I got yours yesterday, and I agree with you that it is very important to put him off the awkward subject of yourself and your family as long as you safely can. The better you know him, the better you will be able to make up the sort of story that will do. Once told, you will have to stick to it; and, having to stick to it, beware of making it complicated, and beware of making it in a hurry. I will write again about this, and give you my own ideas. In the meantime, don’t risk meeting him too often in the park.
“Yours, M. O.”
“Well?” asked the nurse, returning to the bedside. “Have you done with it?”