of Edinburgh, Session 1876 - 77 . 365 
symbols, being a mere compound of a 3-fold and a 4-fold knot, 
which may have any relative positions on the string. 
This is one of Listing’s knots. 
3. 
4. 
\ /\/ 
2 2 
Listing has shown that this is deformable into 2 above. 
5 - 
/ \ / \ 
5 “ 4 or 3 — 4-— 3 
1 / 
2 
I find that this can be deformed into 3 above. It is figured in 
my paper on Links , ante , p. 325, first woodcut. 
4 
i 
or 
6 . 
