In the Logical Investigations Husserl announced a critique of Lotze's epistemology, but it was never included in the printed text. The aim of my paper is to investigate the remnant of Husserl's planned text with special emphasis on the question of whether it goes beyond the obvious aspects of Husserl's indebtedness to Lotze. Using Husserl's student notes, excerpts, and book annotations, I refine the dating of Husserl's encounter with Lotze and separate the various layers of influence. I argue that Husserl's acquaintance with Lotze's epistemology forms a separate layer of influence, and that this layer cannot antedate the middle of the decade before the Logical Investigation. Husserl's investigation of Lotze's epistemology constitutes the most interesting aspect of the unpublished text that underlies the missing chapter from the Logical Investigations. I show that the most relevant influence of Lotze's epistemology on Husserl lies in Lotze's idea of the formal and real significance of logical laws. Although Husserl negatively evaluated Lotze's epistemological problem both in the planned chapter and in other printed parts of the Logical Investigations, the problem repeatedly surfaced during Husserl's Göttingen period. Finally, I use an unpublished student transcript to reconstruct Husserl's SS 1912 seminar on Lotze's epistemology. I argue that the deeper dimension of Lotze's epistemological problem (and Husserl's rejection of it) lies in the way that it highlights the epistemological function of phenomenology.