Swastika design on shield from the Thames 159 Engraved ornament found at the Glastonbury Lake village 161 Handles of bronze bowl found at Barlaston, Staffordshire 166 Handle of bronze bowl from Chesterton-on-Fossway, Warwickshire 167 Handle of bronze bowl from Chesterton-on-Fossway, Warwickshire 168 Spiral ornament from the Book of Durrow 169 Cross-slab from Pen-Arthur, Pembrokeshire 181 Erect cross-slab at St. Madoes, Perthshire 183 Cross at Penmon, Anglesey 185 Great wheel-cross of Conbelin at Margam Abbey, Glamorganshire 187 Cross at Neuadd Siarman, near Builth, Brecknockshire 189 Cross at Nevern, Pembrokeshire 191 Pin-brooch from Clonmacnois, King’s Co. 221 Pierced marble screen at Ravenna 245 Regular plaitwork without any break 259 Method of making breaks in plaitwork 259 Regular plaitwork, with one vertical break and one horizontal break 260 Six-cord plait, with horizontal breaks at regular intervals 260 Cross-shaft at Golden Grove, Carmarthenshire 261 Cross-shaft at Llantwit Major, Glamorganshire 261 Eight-cord plaits, with cruciform breaks 262, 263 Six-cord plait, with cruciform breaks 264 Ten-cord plait, with cruciform breaks 264 Knots derived from a three-cord plait 264 Diagrams of knotwork 265, 266 Method of deriving knots Nos. 3 and 6 from a four-cord plait 267 Knots Nos. 4, 5, 7, and 8 derived from a four-cord plait 268 Knot No. 1, derived from either a three-cord or a six-cord plait 268 Knots 3 and 4, derived from a six-cord plait 269 Evolution of knot No. 1 from a six-cord plait 269 Evolution of knot No. 7 from an eight-cord plait 271, 272 Diagrams of knotwork 273 Knotwork from Ramsbury, Wilts, and Nigg, Ross-shire 274 Circular knotwork from Tarbet, Ross-shire 276 Circular knotwork from Monasterboice, Co. Louth 276 Triangular knotwork from Ulbster, Caithness 277 Triangular knotwork from Dunfallandy, Perthshire 278 Key-patterns 280, 282 Shaft of cross of Eiudon at Golden Grove, Carmarthenshire 283 Erect cross-slab at Rosemarkie, Ross-shire 284