Fig. 327—Double triangle; median rectangle
Fig. 328—Double compound triangle; median rectangle
In [figure 326] there is a still more aberrant form of the W-shape design. The wings are folded, ending in triangles, and prolonged at their angles into projections to which are appended round dots with three parallel lines. The median portion, or that in the reentrant angle of the W, is a four-sided figure in which the triangle predominates with notched edges. [Figure 327] shows the same design with the median portion replaced by a rectangle, and in which the key pattern has wholly disappeared from the wings. In [figure 328] there are still greater modifications, but the symmetry about a median axis remains. The ends of the wings instead of being folded are expanded, and the three triangles formerly inclosed are now free and extended. The simple median rectangle is ornamented with a terrace pattern on its lower angles.
Fig. 329—Double triangle; median triangle