night, and the regions of the dead. So the heroes trembled, for all their courage, as they came into that wild Black Sea, and saw it stretching out before them, without a shore, as far as eye could see.
And first Orpheus spoke, and warned them: "We shall come now to the wandering blue rocks; my mother warned me of them, Calliope, the immortal muse."
And soon they saw the blue rocks shining like spires and castles of gray glass, while an ice-cold wind blew from them and chilled all the heroes' hearts. And as they neared they could see them heaving, as they rolled upon the long sea-waves, crashing and grinding together till the roar went up to heaven. The sea sprang up in spouts between them, and swept round them in white sheets of foam; but their heads swung nodding high in air, while the wind whistled shrill among the crags.
The heroes' hearts sank within them, and they lay upon their oars in fear; but Orpheus called to Tiphys the helmsman: "Between them we must pass; so look ahead for an opening, and be brave, for Hera is with us." But Tiphys the cunning helmsman stood silent, clenching his teeth, till he saw a heron come flying mast -high toward the rocks, and hover a while before them, as if looking for a passage through. Then he cried, "Hera has sent us a pilot; let us follow the cunning bird."
Then the heron flapped to and fro a moment, till he