be otherwise. We know now how the man entered by the window, and we also know the moment at which he entered,—during the five o'clock walk of the professor and his daughter. The fact of the presence of the chambermaid—who had come to clean up The Yellow Room—in the laboratory, when Monsieur Stangerson and his daughter returned from their walk, at half-past one, permits us to affirm that at half-past one the murderer was not in the chamber under the bed, unless he was in collusion with the chambermaid. What do you say, Monsieur Darzac?"
Monsieur Darzac shook his head and said he was sure of the chambermaid's fidelity, and that she was a thoroughly honest and devoted servant.
"Besides," he added, "at five o'clock Monsieur Stangerson went into the room to fetch his daughter's hat"
"There is that also," said Rouletabille.
"That the man entered by the window at the time you say, I admit," I said; "but why did he shut the window? It was an act which would necessarily draw the attention of those who had left it open"
"It may be the window was not shut at once," replied the young reporter. "But if he did shut the window, it was because of the bend in the gravel path, a dozen yards from the pavilion, and on account of the three oaks that are growing at that spot."
"What do you mean by that?" asked Monsieur Darzac, who had followed us and listened with
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