  In addition to burden of proof arguments against the Way of Ideas and the representational theory of perception, Reid also deploys a number of detailed arguments against specific components of these theories and against commitments they presuppose to be true. Though these arguments are unsuitable for recapitulation in the format of an encyclopedia entry, we report one such argument in brief in an effort to offer a hint at the robust detail, nuanced reasoning, and attention to physiological facts in Reid's theory of perception.