“Yes? Yes?”

“I went in and sat waiting for a few minutes. But my restlessness made me get up again, to walk about a little. As I passed out I saw some marks on the sand, close under the front of the boathouse. I stooped down to examine them, and discovered a word written in large letters on the sand. The word was⁠— Look .”

“And you scraped away the sand, and dug a hollow place in it?”

“How do you know that, Marian?”

“I saw the hollow place myself when I followed you to the boathouse. Go on⁠—go on!”

“Yes, I scraped away the sand on the surface, and in a little while I came to a strip of paper hidden beneath, which had writing on it. The writing was signed with Anne Catherick’s initials.”