They were crossed behind his back, and the lasso was wrapped twice around them, and tied in a square knot--a single glance at which drove all thoughts of sleep out of Johnny's mind, and suggested to him the idea of an attempt to liberate his friend.

The knot, on account of the stiffness of the lasso, had not been drawn very tight, and Johnny thought he had hit upon a plan to untie it.
"Archie," he whispered, excitedly.
"Hallo!" was the response.
"Are you asleep ?" "No; nor am I likely to be to-night," growled Archie.

"This lasso hurts me dreadfully.

Pierre drew it as tight as he could." "Don't talk so loud," whispered Johnny.

"Keep your eyes on that sentinel, and, if he moves, shake your arms." "What for ?" demanded Archie.