bold = Main text
  Liber, Caput     grey = Comment text

1    Abbr         |     Phys. = Physica.~Plut. = Plutarch; De Plac. Phil. = De Placitis
2     Int,       I| better evidence than that of Plutarch. Cicero himself, even when
3     Int,     III|  Laertius, Sextus Empiricus, Plutarch and other authorities, will
4     Int,      IV|     of [xliv] the Academica. Plutarch shows only a knowledge of
5     Not,       1|   the Academica, also quotes Plutarch Præc. Polit. 7. Inepte ...
6     Not,       1|      The distinction puzzled Plutarch (quoted in R. and P. 382).
7     Not,       1|   placed νους εν αιθερι (see Plutarch, qu. R. and P. 375). It
8     Not,       2| school against the other. In Plutarch Adv. Colotem p. 1121 F,