352 [Jan. 8, 



Episonal edges : 



5=t, Z={..,3, O 3 }; 

 (45)<pl5=2, (36)pl5=2, (34)^35=2, 2=12,3,0,02}; 

 (35)<p25=i, Z={2, 3, 0}. 



Asymmetric edges : 



(64)05=i, (55)05=i, (45)i5=n, (36) 5 15=2 ; 

 (44) S 25=H, (35)a*25=i7, (34),35=25, (33)45=8. 



Registration ofS-edra 7-acra. 

 Table A. 



1. Two 2-zoned monaxine heteroids, with gonogrammic axes, ter- 

 minated by a hexace having the zones first below read in Table D, 

 and by a tessarace with the zones next there written. 



2. Two 2-ple zoneless monaxine heteroids with gonogrammic axes, 

 both terminated by tessaraces. 



3. Four monozones; three having the zone Z={3, 2, O 2 , 0}, and 

 one with the zone Z= {3, 2, 0}. 



4. Three asymmetric 8-edra 7-acra. 



Table C. 

 Zoned non-polar faces : 



5 W0 27=2, Z={3,2, O 2 , 0}; 



4 di 37=2, Z={3, 2,0}; 



4* 37= 2, Z={1,408}; 



3 m 47=4, Z={3, 2,0 2 , 0}; 



3 m '47=2, Z= {1,4,0'}; 



3 m 47=i, Z= {3, 4, 0,02}. 



Asymmetric faces : 



Table I). 

 Zoned polar edges : 



<44)Jl8=l, Z={l,H 

 Z'={i p , 



Z'={1 P) 2.2, 0,, 

 Zoneless polar edges : 



(33)^46=2. 



