"Enough," he replied enigmatically.

They both laughed.

Across the accustomed night noises came a long rumbling snarl ending sharply with a snoring gasp. It was succeeded by another on a different key. The two took up a kind of antiphony, one against the other, now rising in volume, now dying down to a low grumble, again suddenly bursting like an explosion.

"The lions have found that rhino," remarked Kingozi indifferently.

For a moment or so they listened to the distant thunders.

"I have not sufficiently thanked you even yet for this afternoon," she said. "You saved my life--you know that."

"Happened to be there; and let off a rifle."

"I know shooting. It was a wonderful shot at that distance and in those circumstances."

"Chancy shot. Had good luck," replied Kingozi shortly.

Undeterred by his tone, she persisted.