"Is it poison!" said Quarles interrogatively.

The doctor had already examined the glasses on the table.

"I can find no signs of poison," he said. "And two hours ago the man
was alive."

"That is according to the servant," I said. Masini was not in the room at
this time.

"There is no reason to doubt the statement, is there?" the doctor asked.

"No, but we have not yet corroborated it," I returned.

Quarles was already busy with his lens examining the dead man's
shirt front.

"You, have begun trying to find out who killed him before I have
pronounced upon the cause of death," said the doctor. "I am inclined to
think it is poison, but--"

"He didn't inject a drug, I suppose!" said Quarles.

"Not in his arm, you can look and satisfy yourself on that point. It is
just possible that he made an injection through his clothes. It requires
a more careful investigation than I can make to-night before I can give a
decided opinion."

"Quite so, but you do not mind my looking at the body rather closely? A
little thing so often tells a big story, and the little things are