Sheldon sent a house-boy for his thermometer and glanced questioningly at the captain.
"Black-water fever," the captain said.

"He's been like this for six days, unconscious.

And we've got dysentery on board.

What's the matter with you ?" "I'm burying four a day," Sheldon answered, as he bent over from the steamer-chair and inserted the thermometer under his partner's tongue.
Captain Oleson swore blasphemously, and sent a house-boy to bring whisky and soda.

Sheldon glanced at the thermometer.
"One hundred and seven," he said.