378 [Jan. 8, 



Objanal zonal edge : 



(55)M*46=1, Z={2.2, 2.2, O 21 , 



This edge is one of the zonals above entered. 



=2, (54)^56=2, (65) el >36=i,i 



9 fA1\ 7fi 1 f Z = {2, 4,0, 03}; 



= A VTcO;cj>/O = J, J 



(57)*26=1, Z={2,2,0,0}; 



(63) ej >56=i, (53)^66=2, (54)*p56=i, (34) ei >76=i, Z={4,4,0 2 , 

 (64)^46=2, Z={..,4,0 4 } ; 



(44)p66=i, (34)^76=1, Z={2,6,0,05}. 



Asymmetric edges : 



(73)o,46=7, (74)a,36=7, (75) fl8 26=4, (76)a,i6=2; 



(66)^26=1, (65)a*36=iO, (64)a,46=n, (63)a*56=9; 



(55)o,46=3, (54)56=12, (53)0,66=9; 



(44),66=3, (43)o,76=5. 



Registration of!2-edra 8-acra. 

 Table A. 



1 . One zoned tetrarcbaxine, having for principal poles hexaces and 

 triaces, with amphigrammic secondary axes. The zone is 



^={2^+2^, 2.1, P( , P ,, O 2 - 1 }. 



2. One 3-zoned homozone monarchaxine, with zoned polar triaces 

 and zoneless amphigrammic axes. The zonal and zonoid signatures 

 are 



3. One homozone triaxine with zoned and zoneless amphigrammic 

 axes, and zonal signature first below read in Table B. 



4. One 6-zoned monarchaxine heterozone, with principal polar 

 hexaces* and secondary axes amphigonal and amphigrammie. The 

 zonal signatures are 



Z={2 P +2 J ,, O 2 - 2 }, Z'={2 P , 2.2, <}, Z"=6{1^ . ., (U. 



5. Three 2-zoned monaxine heteroids, one having polar hexace and 

 tessarace, with the zones 



Z={2,+2.1, 2.2, O 2 - 1 , O 2 - 1 }, Z'={2 p , 2.2, O 2 -'}, 

 and two having amphigrammic axes, with the signatures 



Z={2.2, .., < O 2 - 1 }, Z'={2.2, 2.2, < 2-i}, and 

 Z={2.3, 2.1, F , O p , O 2 ' 1 }, Z'={2.1, 2.1, O p , 0,,}. 



