The following abbreviations are used in the apparatus criticus:—
M = the Codex Mediceus 49, 18, written in the year 1389 A.D., and now preserved in the Laurentian Library at Florence. M1 denotes the reading of the first hand, and M2 that of a reviser.
Δ = the reading of M when supported by that of the [Pg ix]Codex Urbinas 322, a MS. of the 15th century, preserved in the Vatican Library.
N = the Codex ex abbatia Florentina, n. 14 in the Laurentian Library, written in the 14th or 15th century.
O = Codex 1.5.34 in the University Library at Turin, written in the 15th century.
P = No. 8536 of the Latin MSS. in the Bibliothèque Nationale at Paris, a MS. of the 15th century.
Ant. = Codex Antonianus, used by Malaspina.
C = the marginal readings in Cratander's edition of 1528, drawn from a MS. which is lost.
F = Codex Faerni, used by Malaspina.
Z = the readings of the lost Codex Tornaesianus, Zb denoting the reading as preserved by Bosius, and Zl that testified to by Lambinus.