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.