This looked as if it were coming out of the sun's furnace heart, and was a living creature of some kind surely; but its shape was very uncertain, because the dazzle of the light all around melted the outlines.
It was growing larger, it must be approaching! It grew so rapidly that by the time the sun was half down its head reached the top of the arch, and presently nothing but its legs were to be seen, crossing and recrossing the face of the vanishing disc.
When the sun was down he could see nothing of it more, but in a moment he heard its feet galloping over the dry crackling heather, and seeming to come straight for him.

He stood up, lifted his pickaxes and threw the hammer end over his shoulder: he was going to have a fight for his life! And now it appeared again, vague, yet very awful, in the dim twilight the sun had left behind.

But just before it reached him, down from its four long legs it dropped flat on the ground, and came crawling towards him, wagging a huge tail as it came..