His tongue was black, really black.

I asked him what was the matter?
He grew restless and angry and lied to me, and then he broke down and told me he could not sleep.

He slept for a few minutes only at a time.

He really was ill--very ill." Was this the explanation, Chayne asked himself?
Having failed at the quick process, the process of the lighted room and the open window, had Garratt Skinner left the drug to do its work slowly and surely?
"He was so weak, so broken in appearance, that I was alarmed.

My father was not in the house.