Footnote 77:

Identified by Choulant, 1920 pp. 186, 192 as Walther Ryff, a notorious plagiarist who pirated a large number of books between 1541 and 1545. See O’Malley 1964, 89. Ryff’s plagiarism is criticized for its errors in the 1543 preface to the figure legend preceding chapter 6, Book III.