  These surfaces or ‘fragments’ were necessarily discontinuous, each covering no more than half the circumference of a bookroll. Unmindful of how the fragments had come into being, the Neapolitan editors presented them in reverse order, with the later ones first. Moreover, since each piece of a roll had been assigned its own ‘papyrus’ number, the fact that a set of exterior ‘fragments’ and another set of interior columns had originally formed one bookroll was often forgotten. The papyrus numbered PHerc. 1427, for example, which ends with the title On Rhetoric I, contains four partial columns and the final seven columns, out of an original 237; but other parts of the same bookroll were removed from its exterior, opened, catalogued, and published, with little or no cognizance of their origin, as nine separate “papyri” (PHerc. 232, 234, 250, 398, 426, 453, 1601, 1612, 1619), all of which when reassembled in Nicolardi 2018 yield perhaps 30% of the original text.