You remember that when you and I examined the skeleton against the wall we saw that it clutched something that looked like birch-bark in its hand?
Well, I believe that birch-bark holds the key to the lost mine!" Mukoki had come beside them and stood listening to Rod, his face alive with keen interest.

In Wabi's eyes there was a look half of doubt, half of belief.
"It might," he said slowly.

"It wouldn't do any harm to see." He stepped to the stove and took off the partly cooked steak.

Rod slipped on his coat and hat and Mukoki seized his belt-ax and the shovel.

No words were spoken, but there was a mutual understanding that the investigation was to precede dinner.