He cut a fine figure in the eyes of Mrs. Arb. He owed his prestige at that moment, however, not to any real ability to decide immediately and courageously upon the right, effective course to follow, but to the simple fact that his reactions were very slow. Mr. Earlforward was always afraid after the event. He limped vigorously into the dangers of Mrs. Arb's dwelling with his placidity undisturbed by the realization of those dangers. And he had no conception of what he should do. Mrs. Arb followed timorously.

The door into Mrs. Arb's back-room was now wide open; the lamp near the carving-knife burnt on the white table there. Also the candle was still burning in the shop, but the umbrella had vanished from the shop floor. The back-room was empty. No symptom of murder, nor even of a struggle! Only the brief, faint rumble of an Underground train could be heard and felt in the silence.

"Perhaps he's chased her upstairs."

"I'll go and see. Anyhow, he's left the knife behind him." Mr. Earlforward picked up the carving-knife, and thereby further impressed Mrs. Arb.

"Take the lamp," said Mrs. Arb.

"Nobody up here!" he called from the first floor. Mrs. Arb ascended. Together they looked into each room.

"She's taken her jacket!" exclaimed Mrs. Arb, noticing the empty peg behind the door when they came down again to the back-room.

"Ah! That's better," Mr. Earlforward commented, expelling breath.

"I've left my candle lighted," he said a moment later. "I'll go and blow it out."

"But——"