[A mysterious cavern] at Bolleit, in the parish of Buryan, which was so large and perfect in the time of the Great Rebellion, that Cavaliers were for some time concealed there; where, like the prophets of old, they were fed by Mr. Levellis of Trewoof, until opportunity offered for them to return to the King’s army.
From the second series, volume 4 of the Proceedings of the Society of Antiquaries of London (1868).