In some cases canal like ditches were dug to carry small outside streams into the dams ponds where otherwise the water would pass by. I saw one that was 150 or 200 feet long, nearly straight, and that caught two other small streams on its way, dams being built in these on the lower sides of the ditch. This was really the most intelligent piece of work that I saw, as it showed reasoning power. It probably was done in the dry season when water for the pond became scarce in the stream that supplied it. Trails leading from our set of ponds to another, or from ponds to lake were frequently used, and the beaver seem to visit about among their neighbors, Those that I saw showed considerable curiosity. They have been disturbed so little that they are not shy, and are abroad more or less of the day, but a very little shouting seemed to make them shy. These beaver eat much alder brush and small saplings, but appear to eat very little of this bark. They seem to prefer willow, but as