“It is not he. Mon. Andermatt is a thin man, and slightly grey.”

“But why this card?”

“Have you a telephone, monsieur?”

“Yes, in the vestibule. Come with me.”

He looked in the directory, and then asked for number 415.21.

“Is Mon. Andermatt at home?⁠ ⁠… Please tell him that Mon. Dudouis wished him to come at once to 102 Boulevard Maillot. Very important.”