August Derleth wrote a short story entitled "The Lonesome Place"; in the narrative, a boy and his friend Johnny as children had to pass by a grain elevator that was in the dark, without any street lights if they were to go down town. This was "the lonesome place," a place that they were only afraid of in the night; whenever they had to pass it alone at night, the boys would race because
...there was something in that dark, lonesome place. Perhaps it was the bogey-man....Perhaps it was something else, something worse.
The boys imagined that they hear steps pursuing them and they were filled with terror. When they saw the lonesome place in the daytime, there would be a pile of lumber tipped over, suggesting that there was something that inhabited the place. As they grew older, there were other little boys who felt the same terror. Then, a boy named Bobby Jeffers was killed in the lonesome place. The boy narrates,
I knew, too, that Johnny and I were guilty. We had murdered Bobby Jeffers because the thing that killed him was the thing Johnny and I had created out of our childhood fears and left in that lonesome place to wait for some scared little boy at some minute in some hour during some dark night....
Like the evil thing in the lonesome place, the "beastie" has been generated by the innate evil within the boys; they have at first displaced this darkness within them as a "bogey-man" who is on the mountain. And, then, as in Derleth's story, this evil becomes manifest and murder is committed. Indeed, as the Lord of the Flies tells Simon, "I'm part of you."