[99] Ambages is applied by Ov. M. 7. 761 to the riddle of the Sphinx, and is more than once used by Tac. in speaking of oracles: see Forc. ‘Remugit’ is explained by ‘antro,’ the cave echoing the scarcely human sounds (comp. 3. 92, where the ‘cortina’ is said ‘mugire’) which the Sibyl utters.