Either 17 Read this extract, and then answer the question that follows it: The other sort of native was the kind that Thornhill had met on that first night, when they had been on the very edge of civilisation. This sort of native was invisible to those like Sal who confined themselves to the township. They lived in the forest and in the bays where settlement had not yet reached, and melted away if any of the new arrivals tried to come close. Even in the few months Thornhill had seen the settlement grow, he had watched how those hidden ones retreated with each new patch of cleared land. They wandered about, naked as worms, sheltering under an overhang of rock or a sheet of bark. Their dwellings were no more substantial than those of a butterfly resting on a leaf. They caught their feeds of fish, gathered a few oysters, killed a possum or two, then moved on. The most Thornhill ever saw was a silhouette stalking along a ridge, or bending over with a fishing spear poised to strike through the water. I might see the splinter of a canoe, fragile as a dead leaf against the dazzle of the sun on the water, with a figure sitting in it, knees drawn up to its shoulders, or a twist of blue smoke rising from some hidden place in the forest. But the canoe had always gone by the time he rowed over to it, and the smoke vanished when he looked at it too closely. During the day, if a person kept to the settlement and did not look about himself too hard, he would see no one out there in the tangled landscape. He might even imagine that there was no one there at all. But at night, a man out in a boat on Port Jackson saw the campfires everywhere, winking among the trees. Sometimes the breeze brought the sound of their singing, a high hard dirge, and the rhythmic clapping of sticks. There were no signs that the blacks felt the place belonged to them. They had no fences that said this is mine. No house that said, this is our home. There were no fields or flocks that said, we have put the labour of our hands into this place. But sometimes men were speared. Word would go round the settlement: that so-and-so lay at this moment in the hospital with the spear still in him and the doctor shaking his head. That another had got one in the neck so the life had pumped out of him in a minute and left him as white as a piece of veal. Thornhill never spoke of those spearings to Sal, but she heard of them from their neighbours, and he had found her more than once poring over the smudged pages of the Sydney Gazette, her finger under the words, mouthing them out to herself. They got him just along the way here, she said without looking at him. Just around in the bay. But there was no point dwelling on the spears of the blacks. They were like the snakes or the spiders, not something that could be guarded against. He reminded her that even in London a man might be killed for the contents of his pocketbook. He meant it as a kind of reassurance, but Sal went silent. He came to dread seeing the Gazette spread out on the table. Whatever he said to Sal, he was glad to spend his days out on the water. On land he was always within range of a spear. [from Part Two]

1. How does Grenville vividly convey the mysteriousness of the 'native' people to Thornhill at this moment in the novel?[25]