536 



PROCEEDINGS OF THE NATIONAL MUSEUM. 





vol. 59. 



Zone No. IS. — Positive pyramid zone. 



k I 

 (010) : (102) : (OlO). Symbol j. ^-=2. 



Form { ,o 2 



Symbol I 



A 

 112 

 1/2 



Q 



122 

 1 



192 

 9/2 



1.10.2 

 5 



9i 

 1.12.2 



6 

 010 



Dividing at 1 and considering the last part: 



19/2 5 6 



v -l 7/2 4 5 



2v 7 8 10 



v-6 12 4 



v/2 1/2 1 2 



N 2 1/2 1 2 



This zone is also entirely normal. 



Zone No. 14. — Negative pyramid zone. 



k I 

 U06) : (IIP) : (010). Symbol y - ; -=6. 



Form... 



Symbol. 

 2v 



N 3 . 



This zone is normal. 



Zone No. 15. — Negative pyramid zone. 

 (010) : (102) : (010). Symbol [ • jf-=2. 



Form . . . 



Symbol . 

 N s 



This zone though incomplete is entirely normal. 



Zone No. 16. — Negative pyramid zone. 

 (010) : (101) : (010). Symbol y j = l. 



6 



OK 



b 



010 



lorm ( 101 



Symbol 



v— 1 



JV 3 



Ill 

 1 

 

 



This zone is normal though incomplete. 



343 



4/3 

 1/3 

 1/3 



J 1 

 553 



5/3 



2/3 



,2/3 



6 

 010 



