"Why not?"

"I am going to do to-morrow's lesson in afternoon study hour."

Patty's tone was respectful, but her meaning was clear. She emphasized slightly the word "to-morrow."

"You will do the twenty lines immediately."

A speaking silence from Patty.

"Do you hear me?"

"Yes, Miss Lord."

"Well?" The monosyllable was sharp enough to cut.

"I stand by my principles," said Patty. "I am not a scab."