Within a few seconds the champagne assumed a greenish tinge and the bone became white.

Then he knew.
"Good Heavens!" he exclaimed, "these are poisoned arrows shot through a blowpipe.

I have never before seen one, but I have often read about them.

The bamboos the Dyaks carried were sumpitans.

These fish-bones have been steeped in the juice of the upas tree.