1863.] 373 



Zoneless polar edge : 

 (55)^36=1. 



Zonal non-polar edges : 



(66)* 16=1, (55)*>36=2, (44)* 56=l, Z={3,4,0, 0*}; 



(44)zo56=l, (66)*ol6=l>1 7 /Q A A2 ft3l . 



(55),36=l, (33),76=l,/ Z-{3,4,0,0}. 



(55)*>36=l, (44)* 56=2, (33)*o76=l, Z={5,2,0 3 }; 



(55)*>36=2, (44)* 56=2, (33W6=l, Z={3, 2,0 2 , 0}; 



(55), 36=i, Z={3,2,0}. 



Epizonal edges : 



(53)^56=4, (54M6=2,j Z={3,4,0,on ; 



(63)^,46=2, (43) e p66=2,J 



(63) ep 46= 1, (54)* P 46= 1, (64)^36= l, 1 z , 3 4 Q2 03> . 



(44)^6=1, (43)^66=2, / 



(75) ei ,i6=i, (73)^36=1, Z={3,2,0 2 ,0} ; 



(65)^26= l, (64)^36=2, (63) ei ,46=2, 1 z==n 4 O n 



(54M6=2, (34) eiJ 66=l, / 



(44)^56=1, (34)^66=1, Z={l,6,0 5 }. 



Asymmetric edges : 



(73)^6=17, (74)a 8 26=i5, (76)a,06=2; 



(66)a,16 = 6, (65)a,26 = 40, (64)o*36=53; 



(63)a,36=54, (55)a,36=27, (54)o,46=82 ; 

 (43)o,66=50, (53)a,56=68, (44)o,56=34, (33)o.76=5. 



Registration of[\.-edra 8-acra. 



1. Four 2-zoned monaxine heteroids, with edrogrammic axes, carry- 

 ing tetragons and zones below written in Table C. 



2. One 2-ple zoneless monaxine heteroid,^ with edrogrammic axis, 

 carrying a tetragon. 



3. Twelve monozones, of which 



4 have the zone Z= {4, 3, 2 > 0}, 

 2 have the zone Z={4, 3, O 3 , O 2 }, 

 2 have the zone Z= {2, 3, 0, O 2 }, 

 1 has the zone Z={2, 3, 0}, 



1 has the zone Z={2, 5, O 3 }, 



2 have the zone Z={4, 1, O 3 }. 



4. Twenty- one asymmetric H-edra 8-acra. 



VOL. XII. 2 E 



