Trans. Roy. Soc. Edin. 
Vol. LI I. 
Mary G. Haseman: Aaphicheiral Knots. 
2 '' 
~S 8 Am 
8 Bt 5 
8 By 
6 8B 7 -Y -"8Ap 8 y' 35 
9 lO 
11 
A. RITCHIE & SON, EDIN* 
