Eclogues Virgil Vergil. The Bucolics, Aeneid, and Georgics Of Virgil. Greenough, J.B., editor. Boston: Ginn and Company, 1881. mutabit merces: omnis feret omnia tellus:non rastros patietur humus, non vinea falcem;robustus quoque iam tauris iuga solvet arator;nec varios discet mentiri lana colores: