"Why, Katherine—"

"Don't," she said. "Don't call me that."

The officers glanced at Graham with frank bewilderment. Rawlins's materialistic mind didn't hesitate to express its first thought:

"Must say, I always thought you were sweet on the lady."

"Hartley!" Bobby said. "You have been fair to us?"

"I don't know why she attacks me," Graham muttered.

His face recorded a genuine pain. His words, Bobby felt, overcame a barrier of emotion.

They heard Paredes and Doctor Groom on the stairs.

"What's this?" the doctor rumbled as he came up.

"I—I'm sorry I forgot myself," Katherine said through her chattering teeth. She turned to Robinson. "I am going to my room. You needn't be afraid. I shan't leave it until you come to take me."