mortali consistit corpore mundus, the world consists of mortal
    substance (lit. holds together by means of, etc.).

6.  In expressions of the following type:—­

    quid hoc homine facias, what can you do with this man?

    quid mea Tulliola fiet, what will become of my dear Tullia? (lit.
    what will be done with my dear Tullia?)

7.  In the following special phrases at variance with the ordinary English idiom:—­

    proelio contendere, vincere, to contend, conquer in battle;

    proelio lacessere, to provoke to battle;

    curru vehi, to ride in a chariot;

    pedibus ire, to go on foot;

    castris se tenere, to keep in camp.

8.  With Verbs of filling and Adjectives of plenty; as,—­

    fossas virgultis complerunt, they filled the trenches with brush.

  a.  But plenus more commonly takes the Genitive.  See Sec. 204, 1.

9.  Under ‘Means’ belongs also the Ablative of the Way by Which; as,—­

    vinum Tiberi devectum, wine brought down (by) the Tiber.

10.  The means may be a person as well as a thing.  Thus:—­

    militibus a lacu Lemanno ad montem Juram murum perducit, with (i.e.
    by means of) his troops he runs a wall from Lake Geneva to Mt.  Jura.

Ablative of Cause.

219.  The Ablative is used to denote cause; as,—­

    multa gloriae cupiditate fecit, he did many things on account of his
    love of glory.

1.  So especially with verbs denoting mental states; as, delector, gaudeo, laetor, glorior, fido, confido.  Also with contentus; as,—­

    fortuna amici gaudeo, I rejoice at the fortune of my friend (i.e. on
    account of it);

    victoria sua gloriantur, they exult over their victory;

    natura loci confidebant, they trusted in the character of their
    country (lit. were confident on account of the character).

  a. fido and confido always take the Dative of the person (Sec. 187, II, a);
  sometimes the Dative of the thing.

2.  As Ablatives of Cause are to be reckoned also such Ablatives as jussu, by order of, injussu, without the order, rogatu, etc.

Ablative of Manner.

220.  The Ablative with cum is used to denote manner; as,—­

    cum gravitate loquitur, he speaks with dignity.

1.  The preposition may be absent when the Ablative is modified by an adjective; as,—­

    magna gravitate loquitur, he speaks with great dignity.

2.  The preposition is regularly absent in the expressions jure, injuria, joco, vi, fraude, voluntate, furto, silentio.