50 - The Apparition The Apparition. (A Retrospect.) Convulsions came; and, where the field Long slept in pastoral green, A goblin-mountain was upheaved (Sure the scared sense was all deceived), Marl-glen and slag-ravine. The unreserve of Ill was there, The clinkers in her last retreat; But, ere the eye could take it in, Or mind could comprehension win, It sunk!—and at our feet. So, then, Solidity's a crust— The core of fire below; All may go well for many a year, But who can think without a fear Of horrors that happen so?