Corpang glanced at Maskull. “Our road is marked out for us.”

“So it would appear,” said Maskull indifferently.

The talk flagged for a time. Maskull felt the silence oppressive, and grew restless.

“What do you call the colour of your skin, Haunte, as I saw it in daylight? It struck me as strange.”

“Dolm,” said Haunte.

“A compound of ulfire and blue,” explained Corpang.

“Now I know. These colours are puzzling for a stranger.”

“What colours have you in your world?” asked Corpang.

“Only three primary ones, but here you seem to have five, though how it comes about I can’t imagine.”

“There are two sets of three primary colours here,” said Corpang, “but as one of the colours—blue—is identical in both sets, altogether there are five primary colours.”