"It shall be done!"

At that moment there was a stir on the ground. In fact, this was the
instant when Corrus began his vehement outcry against the tyranny of
"They." The two in the air came closer; whereupon Billie discovered that
Supreme did not understand the language of the humans below. [Footnote:
The humans did not realize this fact, however; they assumed that "They"
always understood.] Yet the herdsman's tones were unmistakably angry.

"You will descend," commented Supreme evenly, "and warn the big man not
to repeat such outbreaks."

Immediately Supreme's lieutenant darted down, and was lost to view. The
commandant glanced interestedly here and there about the landscape,
returning her gaze to Corrus just as the man stopped in mid-speech.
Billie was no less astonished than the doctor to see the herdsman's
expression change as it did; one second it was that of righteous
indignation, the next, of the most abject subservience.

Nevertheless, Billie could see no cause whatever for it; neither did she
hear anything. The other flier remained out of sight. All that the
architect could guess was that the operator had "got the drop" on Corrus
in some manner which was clear only to those involved. Badly puzzled,
Billie watched the four humans hurry away, their manner all but
slinking.

A moment later still another aircraft came up, and its operator
reported. As before, Billie could make out not a single detail of the
occupant herself. She, too, wanted the commandant's personal attention;