The air rang with their calls.

The poor boy seemed to think that somehow they were calling to him.
There was silence at last in the air, and he turned toward Gretchen his strangely quiet face, and said, "Play." Gretchen raised her bow.

As she did so a sharp spasm came over him.

He lifted his hand and tried to feel of one of the feathers from the Black Eagle's nest.

He was evidently wandering to the Falls of the Missouri.