'How dared you burn that sheet?' I demanded.
'Because, Monsieur Valmont, it did not belong to you; because you do not belong to Scotland Yard; because you stole it; because you had no right to it; and because you have no official standing in this country. If it had been in Mr. Hale's possession I should not have dared, as you put it, to destroy the sheet, but as this sheet was abstracted from my master's premises by you, an entirely unauthorised person, whom he would have been justified in shooting dead if he had found you housebreaking and you had resisted him on his discovery, I took the liberty of destroying the document. I have always held that these sheets should not have been kept, for, as has been the case, if they fell under the scrutiny of so intelligent a person as Eugène Valmont, improper inferences might have been drawn. Mr. Summertrees, however, persisted in keeping them, but made this concession, that if I ever telegraphed him or telephoned him the word "Encyclopaedia", he would at once burn these records, and he, on his part, was to telegraph or telephone to me "The Encyclopaedia is out of print," whereupon I would know that he had succeeded.
'Now, gentlemen, open this door, which will save me the trouble of forcing it. Either put me formally under arrest, or cease to restrict my liberty. I am very much obliged to Mr. Hale for telephoning, and I have made no protest to so gallant a host as Monsieur Valmont is, because of the locked door. However, the farce is now terminated. The proceedings I have sat through were entirely illegal, and if you will pardon me, Mr. Hale, they have been a little too French to go down here in old England, or to make a report in the newspapers that would be quite satisfactory to your chiefs. I demand either my formal arrest, or the unlocking of that door.'
In silence I pressed a button, and my man threw open the door. Macpherson walked to the threshold, paused, and looked back at Spenser Hale, who sat there silent as a sphinx.
'Good-evening, Mr. Hale.'
There being no reply, he turned to me with the same ingratiating smile,—
'Good-evening, Monsieur Eugène Valmont,' he said, 'I shall give myself the pleasure of calling next Wednesday at six for my five shillings.'