his voice and his sharp relapse into silence.

Another day, on getting into my train at the Flats, I missed a
volume of popular science-I think it was on some recent discoveries
in bio-chemistry-which I had carried with me to read on the way. I
thought no more about it till I got into the sleigh again that
evening, and saw the book in Frome's hand.

"I found it after you were gone," he said.

I put the volume into my pocket and we dropped back into our usual
silence; but as we began to crawl up the long hill from Corbury
Flats to the Starkfield ridge I became aware in the dusk that he had
turned his face to mine.

"There are things in that book that I didn't know the first word
about," he said.

I wondered less at his words than at the queer note of resentment in
his voice. He was evidently surprised and slightly aggrieved at his
own ignorance.

"Does that sort of thing interest you?" I asked.

"It used to."

"There are one or two rather new things in the book: there have been
some big strides lately in that particular line of research." I
waited a moment for an answer that did not come; then I said: "If
you'd like to look the book through I'd be glad to leave it with