In traditional catalogues of Aristotle's works, ""On Sense and What Is Sensed"" and ""On Memory and Recollection"" are the immediate sequels to his ""On the Soul,"" and the first two books of his so-called parva naturalia, or ""little works in natural philosophy."" In keeping with this order, Thomas Aquinas began his series of Aristotelian commentaries with a commentary on ""On the Soul,"" which he followed with commentaries on ""On Sense and What...