She did not know what to say.

Then, he had known all since the night before! He knew it when he pretended that his head ached--knew it as he lay by her side all night.
He knew it, and said nothing! But what had he done--what had he done?
She waited for she knew not what.

George Masson was to come and inspect the flume early that morning.

Had he come?
She had not seen him.

But the river was flowing through the flume: she could hear the mill-wheel turning--she could hear the mill-wheel turning! As she did not speak, with a curious husky shrillness to his voice he said: "There he was down in the flume, there was I at the lever above, there was the mill-wheel unlocked.