"A party of a hundred was here organized, with Mr. Fontenelle and Carson for their leaders, to trap upon the Yellowstone and the headwaters of the Missouri. It was known that they would probably meet the Blackfeet, in whose grounds they were going, and it was therefore arranged, that while fifty were to trap and furnish the food for the party, the remainder should be assigned to guard the camp and cook. There was no disinclination on the part of any to another meeting with the Blackfeet, so often had they troubled them, especially Carson, who, while he could be magnanimous toward an enemy, would not turn aside from his course if able to cope with him; and now that he was in a company which justly felt itself strong enough to punish the 'thieving Blackfeet,' as they spoke of them, he was anxious to pay off some old scores. "They saw nothing, however, of these Indians; but afterward learned that the smallpox had raged terribly among them, and that they had kept themselves retired in mountain valleys, oppressed with fear and severe disease. "The winter's encampment was made in this region, and a party of Crow Indians which was with them camped at a little distance on the same stream. Here they secured an abundance of meat, and passed the severe weather with a variety of amusements, in which the Indians joined them in their lodges, made of buffalo hides. These lodges, very good substitutes for houses, were made in the form of a cone, spread by means of poles spreading from a common center, where there was a hole at the top for the passage of smoke. These were often twenty feet in height and as many feet in diameter, where they were pinned to the ground with stakes. In a large village the Indians often had one lodge large enough to hold fifty persons, and within were performed their war dances around a fire made in the center. During the palmy days of the British Fur Company, in a lodge like this, only made instead of birch bark, Irving says the Indians of the North held their 'primitive fairs' outside the city of Montreal, where they disposed of their furs. "There was one drawback upon conviviality for this party, in the extreme difficulty of getting food for their animals; for the food and fuel so abundant for themselves did not suffice for their horses. Snow covered the ground, and the trappers were obliged to gather willow twigs, and strip the bark from cottonwood trees, in order to keep them alive. The inner bark of the cottonwood is eaten by the Indians when reduced to extreme want. Besides, the cold brought the buffalo down upon them in great herds, to share the nourishment they had provided for their horses.