They walked from one end of the chateau to the other, Porthos looking with wondering eyes at D’Artagnan, who was counting on his fingers.

“Four hundred, at a pistole each, four hundred pistoles.”

“Yes,” interposed Porthos, “four hundred pistoles; but who is to make four hundred pistoles?”

“A pistole is not enough,” said D’Artagnan, “‘tis worth a louis.”

“What is worth a louis?”

“Four hundred, at a louis each, make four hundred louis.”

“Four hundred?” said Porthos.

“Yes, there are two hundred of them, and