356 [Jan. 8, 



Heterozone janal polar edyes : 



(44)^26=1, {Z 1( Z 2> Z 3 }, 



(44)]f26=i, {Z 2 , Z 3> Zj}, 



(33)*48=l. {Z^Zs}, 

 where 



Z 1= {2.2, .., o 0?}, 



Z a ={.., 2.2, O 2 , O 2 }, 

 Z 3 ={2.2, 2.2, Op, Oj}, 



and the two zones first named after an edge are those ahout its axis. 

 Homozone janal polar edges \ 



(44)^26=1, Z={2.1, 2.2, 0^, Op, O 2 - 1 }, 



f4{Wj 



(33)^46=1, Z={2.2, 2.1, 0^, P , O 2 - 1 }, 

 &*{$ 



Table C. 

 Zoned polar face : 



7 7w 'i7=i, Z={ip+i, lp+L 0, 0}. 



Zoneless polar face : 



4L,,.47=l. 



Zoned non-polar faces: 



5 W0 3?=4, Z={2, 2, 0, 0}; 



5 m 37 = 2, Z={4, 2, O 3 , 0}; 



5 m 37 = l, Z={2,4, 02}; 



5, Z={2,4, 0, 0}; 



l, Z={2,4, 02}; 



i, Z={..,4, on; 



4 di 47=4, Z={4, 2, O 2 }; 



4*47=1, Z={2, 4, 02} ; 



3 OT 57=3, Z={2, 2, 0,0}; 



3 m 57=3, Z = {4, 2, O 3 , 0}; 



3 m 57=5, Z={2, 4, 02}; 



3 m 57 = 5, Z = {2, 4, 0, s }; 



3 7)?0 57=1, Z={4, 4, O 2 , O 2 }. 





