Traversed by flying shapes, earth stocked with brood
Of monsters,—centaurs bestial, satyrs lewd,—
Not without much Olympian glory, shapes
Of god and goddess in their gay escapes
From the severe serene: or haply paced
The antique ways, god-counselled, nymph-embraced,
Some early human kingly personage.
Such wonders of the teeming poet's-age
Were still to be: nay, these indeed began—
Are not the pictures extant?—till the ban