"Didn't you hear?"
Her teeth chattered.
"No," said Raoul, "I heard nothing."
"It is too terrible," she confessed, "to be always trembling like this! ... And yet we run no danger here; we are at home, in the sky, in the open air, in the light. The sun is flaming; and night-birds can not bear to look at the sun. I have never seen him by daylight ... it must be awful! ... Oh, the first time I saw him! ... I thought that he was going to die."
"Why?" asked Raoul, really frightened at the aspect which this strange confidence was taking.
"BECAUSE I HAD SEEN HIM!"
This time, Raoul and Christine turned round at the same time:
"There is some one in pain," said Raoul. "Perhaps some one has been hurt. Did you hear?"
"I can't say," Christine confessed. "Even when he is not there, my ears are full of his sighs. Still, if you heard ..."
They stood up and looked around them. They were quite alone on the immense lead roof. They sat down again and Raoul said: