He never let on that he suspected for a moment that he was not entirely alone, but, walking over to a tree stump, where, spread out on a newspaper, was the remains of a lunch, he acted delighted at the discovery, picked up a hunk of bread in one hand, a piece of cheese in the other, and, throwing himself on the green sward at full length, proceeded to munch the eatables, with every semblance of satisfaction.