An additional witness to the Byzantine tradition of application of Psalms for amuletic and other ritual purposes, conventionally termed “magical”, in a fifteenth-century codex on medicine and the occult sciences (Bologna, BU Ms. 3632), is edited and translated, and its place in the tradition is considered. Combined with another, indirect witness, references to analogous uses of the Psalms by Theodore Balsamon and Matthew Blastares, this evidence strengthens a recent suggestion of broad popularity for the practice in Byzantium.

Capitalizing on the data presented in the three papers in this issue, the comments and conclusions here elaborate on the concept of transfer of knowledge in the field of materia medica and pharmacy. They evidence different mechanisms in three contexts, the Holy Roman Empire, the Western world and China, and trace the possible ancient roots of the phenomena under consideration. In so doing, they contextualize the processes under study in the three essays, and suggest also a possible new interpretation of (...) the practice of science from the Late Middle Ages to the Scientific Revolution. (shrink)