There was a certain suggestion of racial subtlety in the careful immobility of his face, but his dark, inscrutable eyes were blazing dangerously.
Carl's careless air of interest altered indefinably.

Inspecting his chafing prisoner now with narrowed, speculative eyes which glinted keenly, he fell presently to whistling softly, laughed and with tantalizing abruptness fell silent again.

Immobile and subtle now as his silent companion, he stared curiously at the other's fastidiously pointed beard, at the dark eyes and tightly compressed lips, and impudently proffered his cigarettes.

They were impatiently declined.
"Monsieur is pleased," said Carl easily, "to reveal many marked peculiarities of manner, owing to the unbalancing fact, I take it, that his mind is relentlessly pursuing one channel.

Monsieur," went on Carl, lazily lighting his own cigarette and staring into his companion's face with a look of level-eyed interest, "Monsieur has been praying ardently for--opportunities, is it not so?
'I will humor this mad fool who motors about in the rain like an operatic comet!' says Monsieur inwardly, 'for I am, of course, a stranger to him.