Ibid., 100-1. The editors have reproduced the glosses and marginalia from the manuscript. 3 Robert-Henri Bautier, et al., "Introduction," in Odorannus, Opera omnia, 29-36. The manuscript, Vat. Reg. lat. 577, consists of 100 folios including only Odorannus' works, with some later notations on blank pages toward the end of the manuscript. For the contents in order, see the Appendix below. The first part of the manuscript is missing, beginning partway through Odorannus' prologue to his collected works. I discuss the fragmentary nature of Odorannus' prologue in Chapter Three, page 58 n. 6. A close palaeographical examination of the handwriting of each text brought the modern editors to their recognition of Odorannus' hand. Regarding the interlinear glosses in particular, the editors suggest (p. 35), by comparing the handwriting of these additions to that of the main text, that it is "extrêmement vraisemblable d'attribuer à Odorannus lui-même la rédaction de ces gloses qui constituent un éclaircissement ou une explication du texte." The editors specify whenever the glosses are in a different hand. The autograph nature of the manuscript is not a chief concern of the present essay, but where these questions arise, I follow the editors' argument that Odorannus' works do appear in his own hand. One exception is Capitulum XII of his collection, whose script the modern editors (pp.