There were no minerals in the mockers’ valley and they set out to continue their circuit of the chasm. They did not get far until the heat had become so great that the chasm’s tributaries began going dry. They turned back then, to wait in the little valley until the fall rains came.

When the long summer was ended by the first rain they resumed their journey. They took a supply of the orange corn and two of the mockers; the yellow one and its mate. The other mockers watched them leave, standing silent and solemn in front of their caves as though they feared they might never see their two fellows or the humans again.

The two mockers were pleasant company, riding on their shoulders and chattering any nonsense that came to mind. And sometimes saying things that were not at all nonsense, making Humbolt wonder if mockers could partly read human minds and dimly understand the meaning of some of the things they said.