"I congratulate you."

"You are exceeding your powers."

"I know."

"The law will decide against you."

"I'm convinced of that."

"Monsieur le Juge d'Instruction himself... ."

"M. Formerie had better not interfere. He can mind his own business, which is to examine the servants, as he is doing now. Besides, it has nothing to do with the examining-magistrate, it has to do with the police. It's my affair."

Just then a squad of police burst into the hotel. The chief detective divided them into several sections which he sent up to the third floor.

Then, addressing the commissary of police:

"My dear commissary, I leave the task of watching the doors to you. No weakness, I entreat you. I will take the responsibility for anything that happens."

And, turning to the lift, he had himself conveyed to the second floor.

It was a difficult business and a long one, for they had to open the doors of the sixty bedrooms, to inspect all the bathrooms, all the recesses, all the cupboards, every nook and corner.

And it was also fruitless. An hour later, on the stroke of twelve, M.

Lenormand had just done the second floor; the other parties had not yet finished the upper floors; and no discovery had been made.

M. Lenormand hesitated: had the murderer retreated to the attics?

He was deciding, however, to go downstairs, when he was told that Mrs.

Kesselbach had just arrived with her lady-companion. Edwards, the old confidential man-servant, had accepted the task of informing her of Mr.

Kesselbach's death.

M. Lenormand found her in one of the drawing rooms, overcome by the unexpected shock, dry-eyed, but with her features wrung with grief and her body trembling all over, as though convulsed with fever. She was a rather tall, dark woman; and her black and exceedingly beautiful eyes were filled with gold, with little gold spots, like spangles gleaming in the dark. Her husband had met her in Holland, where Dolores was born of an old family of Spanish origin, the Amontis. He fell in love with her at first sight; and for four years the harmony between them, built up of mutual affection and devotion, had never been interrupted.

M. Lenormand introduced himself. She looked at him without replying; and he was silent, for she did not appear, in her stupor, to understand what he said. Then, suddenly, she began to shed copious tears and asked to be taken to her husband.

In the hall, M. Lenormand found Gourel, who was looking for him and who rushed at him with a hat which he held in his hand:

"I picked this up, chief... . There's no doubt whom it belongs to, is there?"

It was a soft, black felt hat and resembled the description given. There was no lining or label inside it.

"Where did you pick it up?"

"On the second-floor landing of the servants' staircase."

"Nothing on the other floors?"

"Nothing. We've searched everywhere. There is only the first floor left.

And this hat shows that the man went down so far. We're burning, chief!"

"I think so."

At the foot of the stairs M. Lenormand stopped:

"Go back to the commissary and give him my orders: he must post two men at the foot of each of the four staircases, revolver in hand. And they are to fire, if necessary. Understand this, Gourel: if Chapman is not saved and if the fellow escapes, it means my resignation. I've been wool-gathering for over two hours."

He went up the stairs. On the first floor he met two policemen leaving a bedroom, accompanied by a servant of the hotel.

The passage was deserted. The hotel staff dared not venture into it.

Some of the permanent visitors had locked themselves in their rooms; and the police had to knock for a long time and proclaim who they were before they could get the doors opened.

Farther on, M. Lenormand saw another group of policemen searching the maid's pantry and, at the end of a long passage, he saw some more men who were approaching the turning, that is to say, that part of the passage which contained the rooms overlooking the Rue de Judee.

And, suddenly, he heard these men shouting; and they disappeared at a run.

He hurried after them.

The policemen had stopped in the middle of the passage. At their feet, blocking their way, with its face on the carpet, lay a corpse.

M. Lenormand bent down and took the lifeless head in his hands:

"Chapman," he muttered. "He is dead."

He examined the body. A white knitted silk muffler was tied round the neck. He undid it. Red stains appeared; and he saw that the muffler held a thick wad of cotton-wool in position against the nape of the neck. The wad was soaked with blood.

Once again there was the same little wound, clean, frank and pitiless.

M. Formerie and the commissary were at once told and came hastening up.

"No one gone out?" asked the chief detective. "No surprise?"

"No," said the commissary. "There are two men on guard at the foot of each staircase."

"Perhaps he has gone up again?" said M. Formerie.

"No! ... No! ..."

"But some one must have met him... ."

"No... . This all happened quite a long time ago. The hands are cold.

... The murder must have been committed almost immediately after the other ... as soon as the two men came here by the servants'

staircase."

"But the body would have been seen! Think, fifty people must have passed this spot during the last two hours... ."

"The body was not here."