"All this way; all that way," he continued, gesticulating.
"How far ?" I whispered.
Joeboy shook his head, and seemed to feel puzzled how to answer the question.

At last he raised his face and whispered, as he pointed forward: "Far as two sojers over dah," he said, "and far again." "Twice as far as the advance-guard," I interpreted his words to mean.
At that moment the Colonel rode up, and Denham repeated the black's words.
"That's right," he said in a low tone, with his face turned so that as many of the troop as possible should hear.

"Lieutenant Denham, I shall not alter our formation.

Your orders are, `Forward' at a walk, and as silently as if the horses were grazing, till the advance-posts give the alarm.

Then gallop straight away.