Half an hour elapsed before he was disturbed. Then someone knocked imperatively on the door. He recognized the knock; it was Madame Duprat's. Swinging round in his chair he said pleasantly: "Come in."

Madame Duprat entered, filling the doorway. She shut the door and stood in front of it, subjecting it to an almost total eclipse. She was tall and portly, a grenadier of a woman, with a countenance the austerity of whose severely classic mould was somewhat moderated by a delicate, dark little moustache on her upper lip. Her mien was regal and portentous, sitting well upon the person of the widow of a great if unrecognized French tragedian; but her eyes were kindly; and Matthias had long since decided that it needed a body as big as Madame Duprat's to contain her heart.

"Bon jour, monsieur."

"Bon jour, madame."

This form of salutation was invariable between them; but the French of Matthias rarely withstood much additional strain. He lapsed now into English, cocking an eye alight with whimsical intelligence at the face of the landlady. Madame possessed the gift (as it were an inheritance from the estate of her late husband) of creating an atmosphere at will, when and where she would. That which her demeanour now created within the four walls of the chamber of Monsieur Matthias was rather electrical.

"Something's happened to disturb madame?" he hazarded. "What's the row? Have we discharged our chef? Is it that the third-floor front is behindhand with his rent? Or has Achilles—that dachshund of Heaven!—turned suffragette—and proved it with pups?"

"The row, monsieur," madame checked him coldly, "has to do only with the conduct of monsieur himself?"

"Eh?" Matthias queried blankly.

"You ask me what?" The hands of madame were vivid with exasperation. "Is it that monsieur is not aware he entertained a young woman in this room last night?"

"Oh—that!" The cloud passed from monsieur's eyes. He smiled cheerfully. "But it was quite proper, indeed, madame. Believe me, I—"