the substitution of the pres. for the future is common enough
in all languages cf. Iuv. IV. 130 with Mayor's copious note. _Si non
fuerint_: so all Halm's best MSS. Two, however, of Davies' have _si vera_
etc. In support of the text, see I. 9 (_sunt ista_) and note.
_Labefactata_: this is only found as an alteration in the best MSS. and in
_Ed. Rom._ (1471); the others have _labefacta_. Orelli's statement (note to
his separate text of the _Academica_ 1827) that Cic. commonly uses the
perfect _labefeci_ and the part, _labefactus_ is quite wrong. The former is
indeed the vulg. reading in _Pro Sestio_ 101, the latter in _De Haruspicum
Responsis_ 60, but the last of these two passages is doubtful. Cic. as a
rule prefers long forms like _sustentatus_, which occurs with
_labefactatus_ in _Cat. Mai._ 20. For the perfect _labefactavit_ cf. I. 33.
_Agam igitur_: Cic. rather overdoes the attempt to force on his readers a
belief in the learning of Lucullus.

Sec.11. _Pro quaestore_: cf. 4. _Essem_: MSS. _issem_, whence Goer. conj.
_Alexandriam issem_. _Heraclitus Tyrius_: scarcely known except from this
passage. _Clitomachum_: for this philosopher see Zeller 532. _Quae nunc
prope dimissa revocatur_: sc. _a Cicerone_. Philo's only notable pupils had
combined to form the so called "Old Academy," and when Cic. wrote the
_Academica_ the New Academic dialectic had been without a representative
for many years. Cf. Introd. p. 21. _Libri duo_: cf. I. 13. _Heri_ for this
indication of the contents of the lost _Catulus_, see Introd. p. 50.
_Implorans_: "appealing to," the true meaning being "to appeal to with
tears," see Corss. I. 361. _Philonis_: sc. _esse_. _Scriptum agnoscebat_:
i.e. it was an actual work of Ph. _Tetrilius_: some MSS. are said to have
Tetrinius, and the name _Tertinius_ is found on Inscr. One good MS. has
_Tretilius_, which may be a mistake for _Tertilius_, a name formed like
_Pompilius_, _Quintilius_, _Sextilius_. Qy, should _Petrilius_, a
derivative from the word for four, be read? _Petrilius_ and _Pompilius_
would then agree like _Petronius_ and _Pomponius_, _Petreius_ and
_Pompeius_. For the formation of these names see Corss. I. 116. _Rogus_: an
ill omened and unknown name. _Rocus_, as Ursinus pointed out, occurs on
_denarii_ of the _gens Creperia_. _De Philone ... ab eo ipso_: note the
change of prep. "from Philo's lips," "from his copy." _De_ and _ex_ are
common in Cic. after _audire_, while _ab_ is rather rarer. S