SCIENT. PROC. R. DUBLIN SOC, N S., VOL. XIIL 



PLATE LL 



Gold 



Carbon 





BORON TRICHLORIDE. 



I — rrr-TTrr;;:! ■;:; i i 



t I'l 



I 



~m\:K: r 



T.'M-i nlJi-i I I 



I 

 I 



a 

 b 

 c 

 a 



Gold 



Carbon 



•i"Txn3czzrr 



1 .I'l- 



-MV- 



I M1»" 



1 i-'nn 



4-4r 



SILICON TETRACHLORIDE. 



' - I I : : ;: :; i i i 

 ill I I till 



•fnW "T 



•■^ 



i ' t«i I 1 



ntmmmlmmh 



■!rr»"|--i 4^-i— JLJj f ttt 



a 

 b 



a 

 b 



CARBON DIOXIDE. 



Gold 



Carbon 



._j;! I I I 



I I 



a 

 b 



c 

 a 

 b 



Gold 



SULPHUR DIOXIDE 



I -r-r-M— ir"*— "(I 



Carbon 



• m I' 



