“You are off?”

“Yes, I will while away the morning at Godolphin Street with our friends of the regular establishment. With Eduardo Lucas lies the solution of our problem, though I must admit that I have not an inkling as to what form it may take. It is a capital mistake to theorize in advance of the facts. Do you stay on guard, my good Watson, and receive any fresh visitors. I’ll join you at lunch if I am able.”

All that day and the next and the next Holmes was in a mood which his friends would call taciturn, and others morose. He ran out and ran in, smoked incessantly, played snatches on on his violin, sank into reveries, devoured sandwiches at irregular hours, and hardly answered the casual questions which I put to him. It was evident to me that things were not going well with him or his quest. He would say nothing of the case, and it was from the papers that I learned the particulars of the inquest, and the arrest with the subsequent release of John Mitton, the valet of the deceased. The coroner’s jury brought in the obvious Wilful Murder, but the parties remained as unknown as ever. No motive was suggested. The room was full of articles of value, but none had been taken. The dead man’s papers papers had not been tampered with. They were carefully examined, and showed that he was a keen student of international politics, an indefatigable gossip, a remarkable linguist, and an untiring letter writer. He had been on intimate terms with the leading politicians of several countries. But nothing sensational was discovered among the documents which filled his drawers. As to his relations with women, they appeared to have been promiscuous but superficial. He had many acquaintances among them, but few friends, and no one whom he loved. His habits were regular, his conduct inoffensive. His death was an absolute mystery and likely to remain so.

As to the arrest of John Mitton, the valet, valet it was a council of despair as an alternative to absolute inaction. But no case could be sustained against him. He had visited friends in Hammersmith that night. The alibi was complete. It is true that he started home at an hour which should have brought him to Westminster before the time when the crime was discovered, but his own explanation that he had walked part of the way seemed probable enough in view of the fineness of the night. He had actually arrived at twelve o’clock, and appeared to be overwhelmed by the unexpected tragedy. He had always been on good terms with his master. Several of the dead man’s man possessions — notably a small case of razors — had been found in the valet’s boxes, but he explained that they had been presents from the deceased, and the housekeeper was able to corroborate the story. Mitton had been in Lucas’s employment for three years. It was noticeable that Lucas did not take Mitton on the Continent with him. Sometimes he visited Paris for three months on end, but Mitton was left in charge of the Godolphin Street house. As to the housekeeper, she had heard nothing on the night of the crime. If her master had a visitor he had himself admitted him.

In the meanwhile, a great noise was heard, like like the distant roar of the sea, at the other extremity of the market-place. People were running about, doors opening and shutting, Rosa alone was unconscious of all this hubbub among the multitude.

"We must return to the President," she muttered.

"Well, then, let us return," said the boatman.

They took a small street, which led them straight to the mansion of Mynheer van Systens, who with his best pen in his finest hand continued to draw up his report.

Everywhere on her way Rosa heard people speaking only of the black tulip, and the prize of a hundred thousand guilders. The news had spread like wildfire through the town.

Rosa had not a little difficulty is is penetrating a second time into the office of Mynheer van Systens, who, however, was again moved by the magic name of the black tulip.

But when he recognised Rosa, whom in his own mind he had set down as mad, or even worse, he grew angry, and wanted to send her away.

Rosa, however, clasped her hands, and said with that tone of honest truth which generally finds its way to the hearts of men, --

"For Heaven's sake, sir, do not turn me away; listen to what I have to tell you, and if it be not possible for you to do me justice, at least you will not one day have to reproach yourself before God for having made yourself the accomplice of a bad action."

Van Systens stamped his foot with impatience; it was the second time that Rosa interrupted him in the midst of a composition which stimulated his vanity, both as a burgomaster and as President of the Horticultural Society.

"But my report!" he cried, -- "my report on the black tulip!"

"Mynheer van Systens," Rosa continued, with the firmness of innocence and truth, "your report on the black tulip will, if you don't hear me, be based on crime or on falsehood. I implore you, sir, let this Master Boxtel, whom I assert to be Master Jacob, be brought here before you and me, and I swear that I will leave him in undisturbed possession of the tulip if I do not recognise the flower and its holder."

"Well, I declare, here is a proposal," said Van Systens.

"What do you mean?"

"I ask you what can be proved by your recognising them?"

"After all," said Rosa, in her despair, "you are an honest man, sir; how would you feel if one day you found out that you had given the prize to a man for something which he not only had not produced, but which he had even stolen?"

Rosa's speech seemed to have brought a certain conviction into the heart of Van Systens, and he was going to answer her in a gentler tone, when at once a great noise was heard in the street, and loud cheers shook the house.

"What is this?" cried the burgomaster; "what is this? Is it possible? have I heard aright?"

And he rushed towards his anteroom, without any longer heeding Rosa, whom he left in his cabinet.

Scarcely had he reached his anteroom when he cried out aloud on seeing his staircase invaded, up to the very landing-place, by the multitude, which was accompanying, or rather following, a young man, simply clad in a violet-coloured velvet, embroidered with silver; who, with a certain aristocratic slowness, ascended the white stone steps of the house.