him up in the bushes at the brook's edge. It was a mountain lion and he ran away, just as I felt like doing at first."

The hunter laughed with genuine pleasure.

"I'm glad you kept down the feeling and didn't run," he said. "You'll get over such tremors in time. Everybody feels 'em, no matter how brave, unless he has a lot of experience. Now, since you've been scouting about, what do you think we ought to do?"

"I looked from a hill and saw open plains, extending maybe forty or fifty miles. Red Cloud and his men may have gone that way and I'm in favor of giving 'em a good start. Suppose we stay here another night and day and let 'em reach the mountains."

"Seems a good plan to me."

"Besides, there's some fish in a pool farther down that I want to catch."

"That settles it. We stay. Everything else must stand aside when a real fisherman wants to show what he can do."

Will took the fishing tackle from his pack, and returned in a short time with three splendid trout. It was now nearly sunset and Boyd thought it safe to build a fire after dark and cook the catch.

"I think there's no doubt that Red Cloud and his warriors are now a full day's journey ahead," he said, "but, as a wandering Indian might come into the valley, we'll take no more chances than we can help."

A low fire of dead sticks was lighted in a gulch, well screened by bushes, and the fish were broiled, proving very welcome, as they were the first warm food Will and Boyd had tasted since their flight from the troops. The hunter made coffee again, and they were well satisfied with their supper.

"It's a good idea to help ourselves out with as much fish and game as we can," he said, "and it's likely that we can find plenty of it up here. The horses, too, have had all the grass they want and we'll tether 'em for the night, though there's not one chance in a thousand that they'll wander from the valley. Animals have instinct, and if there's no powerful enemy near they always stay where food and water are to be had. I tell you what, Will, if a man could only have all his own senses coupled with those of a deer or a wolf, what a mighty scout and hunter he could be. Suppose you could smell a trail like a wolf, and then think about it like a man! Maybe men did have those powers a hundred thousand years ago."

"Maybe they did, Jim, but they didn't have rifles and all the modern weapons and tools that help us so much."

"You're right, Will. You can't have everything, all at the same time, and just now you and me are not so bad off, lying here comfortable and easy in our own particular valley, having just finished some fine trout that would have cost us four or five dollars in a fine New York restaurant, but for which we paid nothing."

"You don't have any fear that the troops will come after us and make us go back?"

"You can clear your mind of that trouble and keep it cleared. We're in the Indian country, and Captain Kenyon has orders to make no invasion. So he can't pursue. Missing us he'll just have to give us up as a bad job."

"Then we'll have only the Indians to guard against, and your opinion, Jim, that they're far ahead, seems mighty good to me. Perhaps we ought to stay three or four days here."

The hunter laughed.

"I see you're falling in love with the valley," he said, "but maybe you're right. It will depend on circumstances. To-morrow we'll get out those big field glasses of yours, go to the highest hill, and examine all the country."

"Suppose it should rain, Jim. Then we wouldn't think so much of our fine valley."

"Right you are, Will. But lucky for us, it doesn't rain much up here at this time of the year, and we can call ourselves safe on that score. Full night is at hand, and there isn't a cloud in the heavens. We'll both sleep, and build up our nerves and strength."

"Don't we need to keep a watch?"

"Not now, I think, at least not either of our two selves. That horse of mine, that I ride, Selim, is a sentinel of the first class. He's been with me so much and I've trained him so long that he's sure to give an alarm if anything alarming comes, though he'll pay no attention to small game, or even to a deer."

Selim was at the end of a long lariat about fifty feet away, and having eaten for a long time and having rested fully he had taken position as if he realized thoroughly his duties as watcher of the little camp. He was a powerful bay with brilliant, alert eyes that young Clarke saw shining through the dusk, and he walked slowly back and forth within the range allowed by his tether.

"Didn't I tell you?" said Boyd, with delight. "Look at him now, taking up his duties as a man. That horse can do everything but talk, and for that reason, while he does many wise things, he never says a foolish one. Doesn't he fill you chock full of confidence, Will?"

"He certainly does, Jim. I know he'll be a much better sentinel than I could make of myself. I'll go to sleep, sure that we'll be well protected."

Although the hunter found sleep soon, Will, who did not need it so badly, lay awake long and he was interested in watching Selim, who was justifying his master's praise. The horse, for all the world like a vigilant sentinel, walked back and forth, and whenever his head was turned toward the little camp the lad saw the great eyes shining.

"Good Selim!" he said to himself. "Good and watchful Selim!"

In all the immensity and loneliness of the wilderness he felt himself drawn to the animals, at least to those that were not beasts of prey. It was true not only of Selim but of the other horses that they could do everything but talk, and they were the best friends of Boyd and himself.

His trust in the sentinel now absolute, he followed Boyd into peaceful oblivion, and he did not come out of it until dawn.

CHAPTER II

THE NARROW ESCAPE

When he awoke a sun of great brilliancy was shining, and over him arched the high skies of the great west. The air was thin and cool, easy to breathe and uplifting, and in the bracing morning he did not feel the loneliness and immensity of the wilderness. Boyd had already built a little fire among the bushes, and was warming some strips of dried beef over the flames.

"Here's your breakfast, Will," he said. "Beef, a few crackers, and water. Coffee would taste mighty good, but we can't afford to be taking it every morning, or we'd soon use up all we have. This is one of the mornings we skip it."

"I can stand it if you can," said Will cheerfully, "and it seems to me we ought to be saving our other stores, too. You'll have to kill a deer or a buffalo soon, Jim."

"Not until we leave the valley. Now fall on, and when we finish the beef we'll take another look at that map of yours."

They ate quickly and when they were done Will produced from an inside pocket of his waistcoat, where he always carried it, the map which was his most precious possession. It was on parchment, with all the lines very distinct, and the two bent over it and studied it, as they had done so often before.

It showed the Mississippi, flowing almost due south from Minnesota, and the Missouri, which was in reality the upper Mississippi, thrusting its mighty arm far out into the unknown wilderness of the Northwest. It showed its formation by the meeting of the Jefferson, the Madison and the Gallatin, but these three rivers themselves were indicated by vague and faint traces. Extensive dark spaces meant high mountains.

"My father served in the northwest before the great Civil War," said