"I know you do," said Ralph.

"What medicines are you taking now?" inquired Paul Morton.

"There is a bottle of cordial; I take a wineglass of it once an hour."

Paul Morton took up the bottle and gazed at it thoughtfully.

"Is your nurse attentive?" he asked.

"Yes, I have no fault to find with her."

"Where is she now?"

"She just went down to prepare my dinner."

"When did you take your cordial last?"