on the step, for it might be very important to us to be able to replace it. Then I waited for several minutes on the step just above. I don't know why, but I think to see if any dreadful thing would rush out. Nothing happened. Next I lit a candle, and very cautiously I placed it inside the cavity, with some idea of seeing whether there were foul air, and of getting a glimpse of what was inside. There was some foulness of air which nearly extinguished the flame, but in no long time it burned quite steadily. The hole went some little way back, and also on the right and left of the entrance, and I could see some rounded light-coloured objects within which might be bags. There was no use in waiting. I faced the cavity, and looked in. There was nothing immediately in the front of the hole. I put my arm in and felt to the right, very gingerly. . . .
'Just give me a glass of cognac, Brown. I'll go on in a moment, Gregory. . . .
'Well, I felt to the right, and my fingers touched something curved, that felt—yes—
