The room was filled with smoke.  The two girls were blinded for an instant.  Then they saw the keeper tear open the door and disappear.  The cold air through the shattered casement was a sudden relief to their lungs, choked with sulphur and the fumes of spent powder.

In a flash they were out of the open door; and there again, with the suddenness of a panorama, they saw another picture—­Paul kneeling in the middle of the clearing, taking careful aim at the retreating form of the first bear.  They saw the puff of blue smoke rise from his rifle, they heard the sharp report; and the bear rolled over on its face.

Steinmetz and the keeper were walking toward Paul.  Claude de Chauxville, standing outside his screen of brushwood, was staring with wide, fear-stricken eyes at the hut which he had thought empty.  He did not know that there were three people behind him, watching him.  What had they seen?  What had they understood?

Catrina and Maggie ran toward Paul.  They were on snow-shoes, and made short work of the intervening distance.

Paul had risen to his feet.  His face was grave.  There was a singular gleam in his eyes, which was not a gleam of mere excitement such as the chase brings into some men’s eyes.

Steinmetz looked at him and said nothing.  For a moment Paul stood still.  He looked round him, noting with experienced glance the lay of the whole incident—­the dead form of the bear ten yards behind his late hiding-place, one hundred and eighty yards from the hut, one hundred and sixty yards from the spot whence Karl Steinmetz had sent his unerring bullet through the bear’s brain.  Paul saw it all.  He measured the distances.  He looked at De Chauxville, standing white-faced at his post, not fifty yards from the carcass of the second bear.

Paul seemed to see no one but De Chauxville.  He went straight toward him, and the whole party followed in breathless suspense.  Steinmetz was nearest to him, watching with his keen, quiet eyes.

Paul went up to De Chauxville and took the rifle from his hands.  He opened the breech and looked into the barrels.  They were clean; the rifle had not been fired off.

He gave a little laugh of contempt, and, throwing the rifle at De Chauxville’s feet, turned abruptly away.

It was Catrina who spoke.

“If you had killed him,” she said, “I would have killed you!”

Steinmetz picked up the rifle, closed the breech, and handed it to De Chauxville with a queer smile.

CHAPTER XXXII

A CLOUD

When the Osterno party reached home that same evening the starosta was waiting to see Steinmetz.  His news was such that Steinmetz sent for Paul, and the three men went together to the little room beyond the smoking-room in the old part of the castle.

“Well?” said Paul, with the unconscious hauteur which made him a prince to these people.