The invitation was accepted without hesitation, and it seemed that the two travellers were in luck's way. The estancia was a snug little place, amply watered by a river lying some miles above the last port where the small river-steamer called. This port was nearer the estancia than the railway station at Taco, and the last stage of the journey, therefore, was made by steamer. The river was a wide, shallow stream, very difficult of navigation. Nearly ten miles broad in some parts, at its deepest it never gave soundings of more than five fathoms of water. In dry weather it was possible in some places to drive a cart across it, while in others the current was quick and dangerous. It was full of shallows and sand-banks, and for some miles the course of the little steamer was marked out by boughs of trees stuck into its muddy bottom. The steamer was a well-found craft compared with any others that had navigated the river before, and was a new venture on the part of one Purvis by name, who had lately acquired considerable property on the river-bank. He was a gentle-mannered, nervous-looking individual, with weak, pale eyes that watered incessantly, and he had a curious habit unknown except to town dwellers in Argentine of dressing like a City clerk. All the men in camp wore breeches and wide felt hats and polo boots, but Purvis was habitually dressed in dark tweed clothes and a bowler hat. Even on the steamer, and in the heat of the midday sun, he wore the same kit, and walked up and down the deck with an umbrella held over his head. He spoke half a dozen languages, but seemed to think in Spanish, for whenever he spoke quickly or impulsively that was the tongue which he used. The crew of the steamer was composed of a queer mixture of elements; and, whatever their moral qualities may have been, their appearance would not have been altogether reassuring to a man, for instance, travelling with a good many valuables about him. There was Grant the engineer, who never spoke at all, and who loved his engines with a personal love; Pedro, a man with big, melancholy eyes, half Basque and half Italian; an old Belgian stoker and a nigger from South Carolina; and, lastly, John Lewis (or Black John, as he was always called), who came from a Danish West Indian island, and who said he was an Irishman and had been a cabinetmaker. The little steamer was not uncomfortable. She was a flat-bottomed river-boat, and carried cargoes of hides and other Saladero produce. There were some live pigs with immense tusks, and some tasajo in the hold, and a raft of pipes of tallow which a hawser towed behind. The boat was supposed to draw only two feet of water, but in her present overloaded state she dragged heavily against the mud in the shallower parts of the river. Sir John Falconer, who had come down to the river to see the two travellers off, drew Peter Ogilvie aside and had a considerable talk with him before saying good-bye.