The man seemed to give the long whip an easy wave in the air, and the point of the lash alighted on the bullock’s smooth neck, making the animal start and toss its head; and then in response to a command which sounded like Barrk, it slowly sidled close up to the nearest of its fellows, and then went on chewing the cud again.

“Ay, ay, Jacob!” shouted the driver, and he uttered a few words in a patois that was probably a composition of Dutch and Hottentot, which made the little yellow flat-nosed driver come shambling up, grinning, to take the big whip pitched to him and go off to a distance of some five-and-twenty yards, where, after uttering a few incomprehensible cries which had the effect of making such of the bullocks as were crouching in the sand rise slowly to their feet and sidle up together, the strange looking driver gave the whip a wave or two where he stood, and began to crack it, at every whish producing what sounded like a series of rifle shots, watching the English driver the while until he was told to desist.

“Bravo!” cried Mark, and Dean clapped his hands.

“I say, can you crack a whip like that?” cried Dean.

“Oh, yes, sir. Teach you too, if you like.”

“Well, I do like,” said the boy; “but when uncle isn’t here.”

When the interiors of the two great tilted waggons that were close at hand had been examined with some curiosity, as they were to be storehouses and dwelling-places combined, the little party went off in another direction, Mark eagerly enquiring what was to be their destination now.

“Oh, I was going to show you the little cobs the doctor has bought—ponies, I suppose I ought to call them.”

“What, has he got them already?” cried Mark.

“Oh, yes; it has been very short work,” said the doctor. “The officer who has charge of the little garrison here introduced me to a dealer, and I think we have been very fortunate to meet a gentleman who was well acquainted with the ways of the settlers here, for he has given me some very good hints, and in addition promised to have a guide found who was hanging about the camp and is now waiting here after being up the country with a hunting party who left for Beira about a fortnight ago. He is one of the Illakas, Sir James,” continued the doctor, “and it seems that he has been expelled from his tribe for being friendly to the English.”