tent. Dr. Tosswill lifted up the flap and we entered. Three men were sitting inside.
"Monsieur Poirot and Captain Hastings have arrived, Sir Guy," said Tosswill.
The youngest of the three men jumped up and came forward to greet us. There was a certain impulsiveness in his manner which reminded me of his mother. He was not nearly so sunburnt as the others, and that fact, coupled with a certain haggardness round the eyes, made him look older than his twenty-two years. He was clearly endeavouring to bear up under a severe mental strain.
He introduced his two companions, Dr. Ames, a capable looking man of thirty odd, with a touch of greying hair at the temples, and Mr. Harper, the secretary, a pleasant lean young man wearing the national insignia of horn-rimmed spectacles.
After a few minutes' desultory conversation the latter went out, and Dr. Tosswill followed him. We were left alone with Sir Guy and Dr. Ames.
"Please ask any questions you want to ask, Monsieur Poirot," said Willard. "We are utterly dumbfounded at this strange series of
