October 7 – An unknown animal is killing the dogs near Danville, Ky., by cutting a hole in the throat and sucking the blood out of the body. It is said to be an immense white animal, unlike anything ever before seen. It is of the greyhound pattern, but larger in every way, being about four feet high and six long.A Ferocious Beast, Waterloo [Iowa] Courier, October 7, 1891.

Thanks for this historical item from Jerome Clark.