One savage creature rolls his monstrous length along,

And darts his forkéd tongue with its envenomed sting,

Death-dealing; at the charming sound he stops amazed,

And fold on fold his body writhes in nerveless coils.690

"But these are petty ills; unworthy of my hand,"

She cries, "are such weak, earth-born weapons. Potent charms

Are bred in heaven. Now, now 'tis time to summon powers

Transcending common magic. Down I'll draw from heaven

That serpent huge whose body lies athwart the sky695

Like some great ocean stream, in whose constricting folds