"He told you something?"
"We were talking about chemistry," I said. "It's a subject your
brother is very interested in."
"Chemistry!" She put out her hand with a little gesture. "Doctor
Haverill, do you take me for a child? What is the matter? You can
tell me; he has spoken to you. I want to know."
"What do you want to know?" I said, lamely enough.
"The whole thing--what is happening here. I know something threatens
him, that he is in danger, and neither he nor you will tell me what
it is."
"How can I tell you," I fenced, "what I don't even know myself?"