Hm, for example the Greek accusative (accusative of respect in comparison with the native Latin ablative of respect):
avēs perculsae sunt corda vs.
avēs perculsae sunt cordibus = corda avium perculsa sunt
(the accusative used that way is incredibly rare in Latin, hence
Greek ) He uses it often, while in Virgil or Ovid there are just like 1 example per each..?
Or his use of the -
īs ending with the third declension i-stems for
nominative plural (normally according to any rules / the prose it can be used just for accusative plural, but this can be explained just as an orthographical transgression in the case that the
-īs and
-ēs endings would, in fact, be pronounced with the same sound... I/we don't know, afaik). (Maybe he even used this for some non i-stems, but maybe I'm just making this one up now, I'm not sure
)
And some other things...