what is common to them all! If we examine a series of them to this end, we will soon find that they divide themselves into three groups. In the first group belong the cases in which the interfering tendency is known to the speaker, and which, moreover, was felt by him before the slip. Thus, in the case of the slip "refilled," the speaker not only admits that he agreed with the judgment "filthy," on the incidents in question, but also that he had the intention (which he later abandoned) of giving it verbal expression.
