"Left what? My hat! You ain't a-going to tell me that he's been there? When? Why? What for?"

"To leave one of his blessed notices, the dare-devil. What a detective he'd 'a' made, wouldn't he, if he'd only a-turned his attention that way, and been on the side of the law instead of against it? He walked in bold as brass, sat down and talked with the superintendent over some cock-and-bull yarn about a 'Black Hand' letter that he said had been sent to him, and asked if he couldn't have police protection whilst he was in town. It wasn't until after he'd left that the superintendent he sees a note on the chair where the blighter had been sitting, and when he opened it, there it was in black and white, something like this:

"The list of presents that have been sent for the wedding to-morrow of Sir Horace Wyvern's eldest daughter make interesting reading, particularly that part which describes the jewels sent—no doubt as a tribute to her father's position as the greatest brain specialist in the world—from the Austrian Court and the Continental principalities. The care of such gems is too great a responsibility for the bride. I propose, therefore, to relieve her of it to-night, and to send you the customary souvenir of the event to-morrow morning. Yours faithfully,

"The Man Who Calls Himself Hamilton Cleek.

"That's how I know, dash you! Superintendent sent me out after him, hot foot; and after a bit I picked him up in the Strand, toddling along with that French hussy as cool as you please. But, blow him! he must have eyes all round his head, for he saw me just as soon as I saw him, and he and Frenchy separated like a shot. She hopped into a taxi and flew off in one direction; he dived into the crowd and bolted in another, and before you could say Jack Robinson he was doubling and twisting, jumping into cabs and jumping out again—all to gain time, of course, for the woman to do what he'd put her up to doing

—and leading me the devil's own chase through the devil's own tangles till he was ready to bunk for the Embankment. And you let him go, you blooming footler! Had him and let him go, and chucked away a third of £200 for the price of half a quid!"

And long after Smathers and Petrie had left him, the wondering crowd had dispersed, and point duty at "Dead Man's Corner" was just point duty again and nothing more, P. C. Collins stood there, chewing the cud of bitter reflection over those words and trying to reckon up just how many pounds and how much glory had been lost to him.

II

"But, damme, sir, the thing's an outrage! I don't mince my words, Mr. Narkom. I say plump and plain the thing's an outrage, a disgrace to the police, an indignity upon the community at large; and for Scotland Yard to permit itself to be defied, bamboozled, mocked at in this appalling fashion by a paltry burglar——"