"I see that. But where did you learn the language?"

"Well, a fellow taught me that—man I met at Ypres. He could have whistled back the dodo, I think. He knew all kinds of calls—said all the wild things answered to them."

"Was he a great naturalist?"

The cheerful vanity faded from Spence's face, leaving it sombre.

"He—would have been," he said briefly.

Miss Farr asked no more questions. It was a restful way she had. And perhaps because she did not ask, the professor felt an unaccustomed impulse. "He was a wonderful chap," he volunteered. "There are few like him in a generation. It seemed—rather a waste."

The girl nodded. "Used or wasted—it's as it happens," she said. "There is no plan."

"That's a heathen sentiment!" The professor recovered his cheerfulness. "A sentiment not at all suited for the contemplation of extreme youth."

"I am not extremely young."

"You? I was referring to our brown brother. He is becoming uneasy again. What's the matter with him?"