“There will call upon you to-night, at a quarter to eight o’clock,” it said, “a gentleman who desires to consult you upon a matter of the very deepest moment. Your recent services to one of the royal houses of Europe have shown that you are one who may safely be trusted with matters which are of an importance which can hardly be exaggerated. This account of you we have from all quarters received. Be in your chamber then at that hour, and do not take it amiss if your visitor wear a mask.”
“I have no data yet. It is a capital mistake to theorise before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts. But the note itself. What do you deduce from it?”
“The man who wrote it was presumably well to do,” I remarked, endeavouring to imitate my companion’s processes. “Such paper could not be bought under half a crown a packet. It is peculiarly strong and stiff.”
“Not at all. The ‘G’ with the small ‘t’ stands for ‘Gesellschaft,’ which is the German for ‘Company.’ It is a customary contraction like our ‘Co.’ ‘P,’ of course, stands for ‘Papier.’ Now for the ‘Eg.’ Let us glance at our Continental Gazetteer.” He took down a heavy brown volume from his shelves. “Eglow, Eglonitz—here we are, Egria. It is in a German-speaking country—in Bohemia, not far from Carlsbad. ‘Remarkable as being the scene of the death of Wallenstein, and for its numerous glass-factories and paper-mills.’ Ha, ha, my boy, what do you make of that?” His eyes sparkled, and he sent up a great blue triumphant cloud from his cigarette.