The boys were shaking with silent laughter to hear the fierce little man going on in this manner. Like a good many other men he could be very bold when out of sight and hearing of his spouse; but let her once call his name, and the spirit seemed to be taken out of him.

It was now more than an hour after dark, and still they had seen and heard nothing to indicate that there were enemies near by, bent on some daring scheme whereby the coveted stock might be stampeded, and then picked up far away on the open prairie, have the brands quickly changed, and find lodgment in the corrals of the several Walker ranches.

The two boys took their turns at patrolling the corrals. Later on they expected to hear from Mr. Comstock again, when perhaps he had formulated his plans for the arrest of the suspects, providing they had not taken French leave by then.

It was while they were at the further end of the big enclosure that Donald called the attention of his chum to a suspicious light that seemed to have

sprung up over the field where the several haystacks were scattered about.

“What d’ye think that can mean, Ad?” he asked, in an anxious tone.

“It’s none of our men, I’m dead sure,” replied the other, quickly; “tell you what, Donald, it looks to me as though one of the suspects is going to fire that stack of hay! Yes, there it goes, and nothing can save that pile now!”

[CHAPTER XXV.—ADRIAN MAKES A STAND.]

As the hay flamed up like magic there arose a great commotion. Men could be heard shouting to one another. Fortunately Mr. Comstock was equal to the occasion. He hurried this way and that, calling at the top of his voice; and for a small man he certainly had astonishingly loud vocal attainments.

“Stay where you are, every man I stationed by the corral! This is a trick to get you away, so they can force a gap, and let the stock out! Shoot every sneaking wolf you see trying to injure the corral! Leave the rest to me! Adrian, would you care to come with me, and see if we can get a crack at