Christian Monuments of Wiltshire. 



59 



It has just been shown that the simplest kind of circular knot (Fig. 

 10) is derived from Knot D (Fig. 7), arranged in a double row. 

 The more elaborate kinds of circular knots are obtained from the 

 simpler one (Fig. ] 0) by combining it with a complete circular ring, 

 either enclosing the four pointed loops (Fig. 13), or passing over them 



No. 13. 

 (Fig. 14). Other variations can be produced from these by severing 



Fig. 14. 



the bands in places and joining different parts of the loops to the 

 rings much on the same principle that breaks can be made in a 

 plait. The connection between Figs. 13 and 15 and Figs. 14 and 



• Fig. 15. 

 16 will at once become clear if the knots are drawn on tracins: 



