across the moon, and the hedge and tree in front of the house were black against the pale roadway. They saw Hapley, looking like a ghost in his shirt and white trousers, running to and fro in the road, and beating the air. Now he would stop, now he would dart very rapidly at something invisible, now he would move upon it with stealthy strides. At last he went out of sight up the road towards the down. Then, while they argued who should go down and lock the door, he returned. He was walking very fast, and he came straight into the house, closed the door carefully, and went quietly up to his bedroom. Then everything was silent.
'Mrs Colville,' said Hapley, calling down the staircase next morning, 'I hope I did not alarm you last night.'
'You may well ask that!' said Mrs Colville.
'The fact is, I am a sleep-walker, and the last two nights I have been without my sleeping mixture. There is nothing to be alarmed about, really. I am sorry I made such an ass of myself. I will go over the down to Shoreham, and get some stuff to make me sleep soundly. I ought to have done that yesterday.'
But half-way over the down, by the chalk pits, the moth came upon Hapley again. He went on, trying to keep his mind upon chess problems, but it was no good. The thing fluttered into his face, and he struck at it with his hat in self-defence. Then rage, the old rage—the rage he had so often felt against Pawkins—came upon him again. He went on, leaping and striking at the eddying insect. Suddenly he trod on nothing, and fell headlong.
There was a gap in his sensations, and Hapley found himself sitting on the heap of flints in front of the opening of the chalk pits, with a leg twisted back under him. The strange moth was still fluttering round his head. He struck at it with his hand, and turning his
