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



PLATE L. 



NITROGEN. 



Gold 



Carbon 



Carbon 



I ■MlfiWUllWH':!" T> I'L-- 1 



"r:!s:ii:K: if 



tn L 



JiEri" 



Gold 



iimaGiDizii 



inOlUDZIlL 



! I i; !^ I I I 



r I II!!!!' !:! I '! 



"^"^iniEiRili:::!! !: 'i 



SULPHUR. 



Carbon 



Gold 



;§ i!fe li 

 I'Tiiroimr" ■ 



I viim 



I I 



PHOSPHORETTED HYDROGEN. 



Gold 



I I » 



Carbon 



r 1 



W ' ^(•••m'^B^ 



