“In the first place, you know what the Thunder-Beings are—powerful spirits, helpers of the Great Spirit—in form at the same time man-like and bird-like. They bring the rain to water our crops and refresh the earth. You have often heard the rumbling of their wings in the storm, and have seen their arrows of flame shoot toward the earth as they hunt the great horned serpents and other man-destroying monsters which form their daily food. And it was one of those very arrows which, as you know, started you in life as a Lenape.