As is the case for attempting to come to grips with any notion befuddling, it is requisite to learn how the idea confounding came to be in the first place. Knowing the history of the concept of "animal-type" and "equine-type" melanomas is essential to our task of seeking to illuminate those subjects and ones that derive from them. Concepts, being the simplified representations of reality that they are, also are constructs abstract of Reason. In order for them to have merit by being meaningful, they must take origin from intuitions well founded, that is, from observations accurate and judgments sound rooted in reality. Let us now examine the observations and judgments on which the concept of animal-type melanoma was predicated. As will be apparent very soon, the story gets off to a start shaky exceedingly.