may well ask
ourselves what were the subjects on which he did not write. In addition
to these, much that has come to us has been extracted, as it were
unwillingly, from palimpsests, and is, from that and from other causes,
fragmentary. We have indeed only fragments of the essays De Republica.
De Legibus, De Natura Deorum, De Divinatione, and De Fato, in addition
to the Academica.

The list of the works of which it is my purpose to give some shortest
possible account in the following chapters is as follows:

NATURE OF THE WORK.
TITLES OF Those as to Rhetoric are marked [a] THE DATE
THE WORKS. " " Philosophy " [b] OF
The Moral Essays " [c] PUBLICATION.

Rheticorum { Four books, giving lessons in Rhetoric; }
ad C. { supposed to have been written, not by Cicero, } B.C.
Herennium. { but by one Cornificius.[a][240] } 87, 86.
} AEtat.
De { Four books, giving lessons in Rhetoric, } 20, 21.
Inventione. { supposed to have been translated from the }
{ Greek. Two out of four have come to us.[a] }

{ Three dialogues, in three books--supposed to }
{ have been held under a plane-tree, in the }
De Oratore. { garden at Tusculum belonging to Crassus, } B.C. 55.
{ forty years before--in which are laid down } AEtat. 52.
{ instructions for the making of an orator.[a] }

{ Six political discussions--supposed to have }
De { been held seventy-five years before the date } B.C. 53.
Republica. { at which they were written--on the best mode } AEtat. 54.
{ of governance. We have but a fragment of them. }
{ [c] }

{ Three out of six books as to the best laws for }
{ governing the Republic. They are carried on }
De Legibus. { between Atticus, Quintus, and Marcus. They } B.C. 52.
{ are supposed to have been written B.C. 52 } AEtat. 55.
{ (aetat. 55), but were not published till after }
{ his death.[c] }

De Optimo { A preface to the translation of the speeches }
Genere { of AEschines and of Demosthenes for an