Notes to Plate 6. 
(a) 43720 in the AgP linkage, two meshes on one link. 
(b) 25933 in AuX (ii.) -| 
(e) 38457 in AuX (iii.) >showing complicated congeries of meshes; also see AuS (3). 
(d) 42068 in AuX (iv.)J 
(e) 39150 in AgP (ii.) 
(/) 30029 in AgP (ii.) ^showing complete cycles of links. 
(g) 21696 in AuX (ii.) J 
A similar one 19988 in AuS (3). 
(h) In AuX (ii.) shows parallelism and symmetry. 
( i) 21696 in AuX (ii.); 31967 in AuY, allp links diverging from or converging on. 
(j) 30722 in AgS (3) showing sequence -b + c-b + c- b-b. 
(k) 31494, 29216 in AgD (4) shows parallelism. 
( l) Correction to one line makes all four links normal. 
