Read it through once

Apollo: “A word on the line about Apollo the snake-slayer, which my friend Professor Colvin condemns, believing that the God of the Belvedere grasps no bow, but the Aegis, as described in the 15th Iliad. Surely the text represents that portentous object (qou^rin, deinh/n, a’mfida/seian, a’riprepe/’--marmare/hn) as ‘shaken violently’ or ‘held immovably’ by both hands, not a single one, and that the left hand:--