...ther's hall And watery kingdom and cave-prisoned pools And echoing groves, he went, and, stunned by that Stupendous whirl of waters, separate saw All streams beneath the mighty earth that glide, Phasis and Lycus, and that fountain-head Whence first the deep Enipeus leaps to light, Whence father Tiber, and whence Anio's flood, And Hypanis that roars amid his rocks, And Mysian Caicus, and, bull-b...