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numerous murders, and Colonel Kearney threatened that if they killed any more white men he would loose his dragoons upon them, and annihilate their nation. In the evening, to add effect to his speech, he ordered a howitzer to be fired and a rocket to be thrown up. Many of the Arapahoes fell prostrate on the ground, while others ran away screaming with amazement and terror. On the following day they withdrew to their mountains, confounded with awe at the appearance of the dragoons, at their big gun which went off twice at one shot, and the fiery messenger which they had sent up to the Great Spirit. For many months they remained quiet, and did no further mischief. At length, just before we came into the country, one of them, by an act of the basest treachery, killed two white men, Boot and May, who were trapping among the mountains. For this act it was impossible to discover a motive. It seemed to spring from one of those inexplicable impulses which often possess Indians and which appear to be mere outbreaks of native ferocity. No sooner was the murder committed than the whole tribe were in extreme consternation. They expected every day that the avenging dragoons would arrive, little thinking that a desert of nine hundred miles lay between them and their enemy. A large deputation of them came to Fort Laramie, bringing a valuable present of horses, in atonement. These Bordeaux refused to accept. They then asked him if he would be satisfied with their delivering up the murderer himself; but he declined this offer also. The Arapahoes went back more terrified than ever. Weeks passed away, and still no dragoons appeared. A result followed which all those best acquainted with Indians had predicted. They imagined that fear had prevented Bordeaux from accepting their gifts, and that they had nothing to apprehend from the vengeance of the whites. From terror they rose to the height of inso-.