sentences:  Dunraven's chief interest was in archaeology.He was associated with George Petrie, Stokes, and other Irish archæologists in the foundation of the Irish Archaeological Society in 1840, and of the Celtic Society in 1845.In 1849 and 1869 he presided over the meetings of the Cambrian Archaeological Association held at Cardiff and Bridgend, and in 1871 was president of a section of the Royal Archæological Institute.