1863.] 369 



(63)^36=1, (54)^36=1, (53M6=2, 



= {2,4,0 2 }; 



6=3, (34)^56=6, 

 (53)^46=1, (43)^56=2, (33)<p66=*i, Z={4,4, O 2 , O 2 }. 



Asymmetric ectyes : 



(75)06=2, (66)a,06=2, (74)16=10 ; 

 (65)16=32, (73)^26=14, 



(55)a,26=44, (63)36 = 88, 



(53)a,46=l74, (44)a S 46=9l, (43)as56 = l65, (33),66=33. 



Janal anaxine edges : 



(54),a.36=2, 



Registration ofQ-edra 9-acra. 



Table A. 



1 . One 8-zoned monaxine heteroid, with gonoedral axis, viz. the 

 octagonal pyramid. 



2. Two 4-zoned monaxine heteroids, with gonoedral axes, each 

 carrying a tessarace arid a tetragon, with zones below read in Table C. 



3. Eight zoneless 2-ple monaxine heteroids, with gonoedral axes. 



4. Forty-eight monozones, of which 



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



15 Z={3, 3, 0, 0}, 



7 Z = {1, 3, O 2 }, 



7 Z={3, 1, O 2 }, 



2 Z={3, 5, 0, O 3 }, 



2 Z = {5, 3, O 3 , 0}, 



2 Z={1, 5, 0^}, 



2 Z = {5, 1, O 1 }. 



5. Two hundred and thirty- seven asymmetrical 9-edra 9-acra. 



Table C. 

 Zoned polar jaces : 



8^18=1, Z={3, 1, O 2 }, Z'={1, 3, 2 } ; 



4^58 = 1, Z={l p + 2.1, 1. + 2.1}, 



Z' = {l p + 2.1, lp+2.1, O 2 - 1 , O 2 - 1 }; 



4^8=1, Z={l F , 1^+2.2, 



