Many other crosses, which once existed throughout Ireland, are now known only by a broken fragment of the shaft, or a base, which may or may not preserve the inscription; and it seems quite probable that no ecclesiastical centre existed which did not, at one time, boast of its Celtic cross standing as a dominant monument of art among all other memorials.
The great question which the antiquaries have apparently yet to settle among themselves is as to whether the decoration of these stone crosses, so different from other sculptured stone work to be seen in churches and elsewhere, is really the result of Celtic inspiration, or not.
It certainly is partly Roman and partly Byzantine in its motive, though unquestionably the development of the idea was distinctively Celtic or Irish.
From ancient records one learns that the Irish craftsmen first worked out their ideas, not on stone, but on parchment, and that these were transferred from illuminated MSS. to the crosses, and again in metal work, where so many similar designs are seen.
It is a popular supposition that these motives, spirals, frets, and interlaced bands originated in Ireland or were peculiar to Celtic art. But