Page:Rowland--The Mountain of Fears.djvu/18

   Southern Cross blazing astern, and all about the white, flashing crests of the phosphorescent sea. Usually Leyden was a good listener, but this night he seemed impatient, restive, to such an extent that I finally paused, annoyed, for nothing is so irritating as lack of attention to a solicited reply.

"Ach! but those cases are in the line of the ordinary!" he exclaimed.

"Pardon me," I replied, "but the last case I have given was distinctly out of the ordinary."

"I am awkward, Doctor," said Leyden, apologetically. "I mean that the relations of cause and effect follow the usual course—the histological changes in the cell produced impaired function of the organ and these primary changes were the result of trauma. But have you ever had occasion to observe the reverse of this condition—the action of the organ on the center—like a nightmare, where one has the liver poisoning the central cells"