"That seems to me the only reasonable explanation," Patty agreed amicably. "Perhaps it is Harris instead of Ferris."

Priscilla faced her ominously. "You read the name yourself. It was as plain as printing."

"We're all liable to make mistakes," Patty murmured soothingly.

"Do you know," said Georgie, "I begin to think it's all a hallucination, and that there really isn't any Kate Ferris. It's strange, of course, but not any stranger than some of those cases you read about in psychology."

"Hallucinations don't send flowers," said Priscilla, hotly; and she stalked out of the room, leaving Patty and Georgie to review the campaign.

"I'm afraid it's gone far enough," said Georgie. "If she bothers the office very much there'll be an official investigation."

"I'm afraid so," sighed Patty. "It's been very entertaining, but she is really getting sensitive on the subject, and I don't dare mention Kate Ferris's name when we're alone."

"Shall we tell her?"

Patty shook her head. "Not just now—I shouldn't dare. She believes in corporal punishment."

A few days later Priscilla received another note directed in the hand she had come to dread. She threw it into the waste-basket unopened; but, curiosity prevailing, she drew it out again and read it: