Her- 

 barium. 

 Number. 



2,1. 7 

 2,7. 2 

 3, 1, 13 

 3, 2. 14 

 4,3, 1 



iPalea. 



Apicu- 



lus. 



C 

 O.Y. 



C 



c 

 c 



Length . 



Ap. 



IV 



