It's spring of 1844 in St. Clair County, Missouri. A mile or so from the banks of the muddy Osage River a pioneer settler named Matthew Arbuckle is plowing his field when he hears a banshee-like wail in the distance, coming from the direction of the river. Shrill and unearthly, the demonic howl fills the farmer with terror. Wasting no time, he unhitches his plow, jumps on the back of his horse and heads for the hills.
One hour later Arbuckle arrives in Papinville, a town fifteen miles from his farm. The exhausted horse is white with foam; its rider white with terror. In a gasping voice he tells of making an escape from an awful monster. Although he had not seen the beast, he had heard its voice, from which he could tell that it was a monster of immense proportions.
Those who heard Arbuckle's story were bewildered, and those who did not know the pioneer personally could tell, just by the bloodless pallor of his trembling skin, that the man was not telling a lie. Whatever terrify…