“How can you be sure,” Pauline interrupted him, “that Rosie is in the case?”

“Can you doubt it?”

“I cannot understand why she should behave so!”

“Perhaps she knew him before,” Carpentaria hazarded.

“Never,” said Pauline positively—“never.”

“Then he has certainly been able to exercise a most remarkable influence over her.”

“Not a hypnotic influence, or anything of that kind?”

“Perhaps an influence of quite another kind—quite another kind.”

“But Rosie is scarcely half his age.”

“Do these things depend on age?” cried Carpentaria. “They depend on glances, sympathies, and trifles even more subtle than sympathies. Besides, she is more than half his age.”