Δ = the reading of M when supported by that of the Codex Urbinas 322, a MS. of the fifteenth century, preserved in the Vatican Library.

O = Codex 1, 5, 34 in the University Library at Turin, written in the fifteenth century. O1 denotes the reading of the first hand, and O2 that of a reviser.

C = the marginal readings in Cratander's edition of 1528, drawn from a MS. which is lost.

Z = the readings of the lost Codex Tornaesianus. Zb, Zl, Zt, the readings of the same MS. when attested only by Bosius, Lambinus, or Turnebus respectively.

L (marg.) = readings in the margin of Lambinus' second edition.

Vict. = the editio Petri Victori (Venice, 1534-37).

CONTENTS

Letters to Atticus Book XIIPage [1]
Letters to Atticus Book XIII[109]
Letters to Atticus Book XIV[217]
Letters to Atticus Book XV[293]
Letters to Atticus Book XVI[369]

CICERO'S LETTERS

TO ATTICUS