inquired. “Yes, the doctor is out but he left a note for you in case you should call.”
He handed them the note in question and Tommy tore it open.
“Dear Mr. Blunt,
“There is reason to believe that the poison employed was Ricin, a vegetable toxalbumose of tremendous potency. Please keep this to yourself for the present.”
Tommy let the note drop, but picked it up quickly.
“Ricin,” he murmured. “Know anything about it, Tuppence? You used to be rather well up in these things.”
“Ricin,” said Tuppence, thoughtfully. “You get it out of Castor Oil, I believe.”
“I never did take kindly to Castor Oil,” said Tommy. “I am more set against it than