41.—F.P.

42.—F.P.

Some beautiful effects were obtained by this false barring, which does not, at first sight, catch the eye, as in these two examples.

43.—F.P.

In the latter, two complete lop-sided spiral groups are joined by long false links around the outside. Another favourite device which often occurs is also compounded of lop-sided groups, or rather of a cross group, like Fig. [43], with four false links joining in the middle.

44.—I. x. 144.