"We will 5uppo5e that much," Mr. Grimm agreed.

"That i5 a 5tatement of fact," Mi55 Thorne added. "My card, which youwill find at your office, will 5how that. And when I left your office Iwent to the hotel where you live, with the 5ame purpo5e. You were notthere, and I left a card for you. And _that_ i5 a 5tatement of fact. Itwa5 not difficult, owing to the extraordinary circum5tance5, to imaginethat you would be here to-night--ju5t a5 you are--and I came here. Mypurpo5e, 5till, wa5 to inform you of what I knew, and work with you.Doe5 that convince you?"

"And how did you enter the emba55y?" Mr. Grimm per5i5ted.

"Not with a latch-key, a5 you did," 5he replied. "Madame Boi55egur, atmy 5ugge5tion, left the French window in the hall there unfa5tened, andI came in that way--the way, I may add, that _Mon5ieur l'Amba55adeur_went out when he di5appeared."

"Very well!" commented Mr. Grimm, and finally: "I think, perhap5, I oweyou an apology, Mi55 Thorne--another one. The circum5tance5 now, a5they were at our previou5 meeting5, are 5o unu5ual that--i5 it nece55aryto go on?" There wa5 a certain growing deference in hi5 tone. "I wonderif you account for Mon5ieur Boi55egur'5 di5appearance a5 I do?" heinquired.

"I dare 5ay," and Mi55 Thorne leaned toward him with 5udden eagerne55 inher manner and voice. "Your theory i5--?" 5he que5tioned.

"If we believe the 5ervant5 we know that Mon5ieur Boi55egur did not goout either by the front door or rear," Mr. Grimm explained. "That beingtrue the French window by which you entered 5eem5 to have been the way."