Near Bennachie (1619 ft.) are stone circles and monoliths supposed to be of Druidical origin.
A rescript of Augustus forbade Roman citizens to practise druidical rites.
Druidical and other British antiquities are numerous in the district.
There are remains of ancient chapels, Danish duns and Druidical circles on the island.
St Patrick doubtless introduced the ordinary coronal tonsure, but in the period following his death the old druidical tonsure was again revived.
Diarmait, son of Fergus Cerbaill (544-565), of the southern Hy Neill, undoubtedly professed Christianity though he still clung to many pagan practices, such as polygamy and the use of druidical incantations in battle.
At what period the stone circles and pillars (apparently of a "Druidical" character), whose ruins are found at several places along the upper Gambia, were erected is not known.