Some Problems of Punctuation in the Latin Hexameter

IN a discussion of the reading in Lucan i. 231, Richard Bentley dismissed Grotius's suggestion Ariminon: ignes on the correct grounds that, like Virgil, Lucan avoids starting a new sentence or clause at the beginning of the sixth foot of the hexameter, except with a pair of monosyllables (as in 6. 700, per quam) or with a word emphasized either by repetition (as in 7. 350, ipsi … ipsi) or by a strong contrast (as in Cicero, Arat. 266, hic totus medius circo disiungitur: ille… —the only example of this sort of break in Cicero's poetical fragments).