Cheechako sniffed at his leg. Then he saw the bottle. His eyes danced. Dugan had remembered at last! He jumped up to lick eagerly.

“Ho!” roared Dugan, as Cheechako struggled frantically to coax out the sticky sweet stuff faster than it would flow. “I knew you’d like it! Watch him, Holliday!”

Holliday straightened up.

“You’ve never heard me call that dog ‘Cheechako,’” he said queerly. “I’ve always called him ‘Pup.’ The only other man who’d know his name would be Sam Carson and—” Holliday’s voice changed swiftly—“and the man who killed him! And that trick— By God, you’re Sam Carson’s murderer!”

His revolver flashed out. Dugan gasped. The bottle fell to the floor and Cheechako lapped eagerly at its exuding contents.

“You shot him from behind,” said Holliday savagely. “With your gun not a foot from his head! Get out that gun now, Dugan. I give you just two seconds!”

Dugan’s teeth chattered. His eyes darted despairingly to the bunk. Holliday’s face was like stone. There was no faintest trace of mercy in it. With a sudden squeal like that of a cornered rat, Dugan rushed for him.

And Holliday’s revolver was out and in his hand, but Dugan’s open-handed attack brought an instinctive response in kind. His free fist shot out in a terrific blow. It caught Dugan squarely between the eyes and hurled him backward. He staggered, and his foot crushed Cheechako’s paw. The dog leaped up with a yelp and bared teeth and his movement was enough to upset Dugan’s balance completely. He toppled backward and a sudden terrible scream filled all the cabin.

He fell against the bunk and his arms clutched wildly, while his face showed only frozen horror. Then he crashed down on the blankets.

And there was a bellowing roar and a burst of smoke from the bunk. Dugan did not even shudder. He lay quite still. Presently a sullen little “drip-drip-drip” sounded on the floor.