212 Scientific Proceedings, Royal Dublin Society. 
ULTRA-VIOLET RAYS—continued. 
Wave- Element and Wave- Elemert and Wave- Element and 
Length. Intensity. Length. Intensity. Length. Intensity. 
2850°3 V 10 2802-1 Pb 10 | 2760°6 V 10 
2849°8 Ir 6 2801-0 Zn 8x || 2759-8 Hg 2 
2848-4 Mo 8 2800-9 Ir 6 2756°5 in 6 
2847-9 Hg 10 2800°8 lke, 2755°8 Fe 10 
2847-6 Vo 27996 Ag 56 2754-7 Ge 20 
2847-2 Au 5 | 2799°6 V 10 2754:°0 lim 
2845-9 Rh 8 2798-2 Mg 8 2733°9 Ar 8 
2844-4 Os 6 2795°6 Meg 10 2753°5 V 16 
2843°3 Cr 10 2795°6 INGO a 2753°2 Nb 6 
2841°8 Ru 6 2794°3 Pe 6 2752°9 Hg 2 
2840-1 Sn 10 2793-1 Te 6 || 2750°9 Fe 
2838°7 Os 8 2790-9 Mg 10 w 2750°6 Yb 10 
2888-1 AN &) 2790°6 Sb 8y 2749-4 Fe 10 
2837-4 C 8 2788-1 Sn 1 2748-7 Cd 10 
2837°4 thn 6 2787-9 Ru 6 No. 21, | Gold.] 
2837:0 Cl 8 2783°8 Fe 7 2748-3 Au 5 
2836°2 C 8 2783-1 Mg 4 27476 Fe 7 
2835°7 Cr 10 © 2781-8 Rh 6 2747°6 V 10 
2833°3 Ib 8 2781°7 V 12 2747°3 C 6 
2833°2 Pb 10 2781°5 Meg 4 2747°1 Fe 7 
2833°1 Zin ll 2780-6 iByh ab 2745:°1 As 10 
2831-0 As 8 2780°3 ws 10 x 2744:9 Ar 8 
2830-4 ep ah 2780-1 Mo 6 2744:1 Ru 6 
2829°2 He 4 2779°9 Mg 6 NY AP Fe 8 
2828°3 Wh I) 3779-9 Sn 8y |) 2741-4 Ibi 2 
2826°3 40 | 2778-5 Ru 6 2740:0 Rh 8 
[No. 20, | Gold.] 2778-4 Mg 4 2739°6 Fe 10 
2825-6 Ma Bi B7a=2 Rh 6 2737-5 Rh 8 
2823°3 Pb 10 2777-9 V 10 2734°4 Ru 8 
3822-8 of RACE ewan 2734:1 ey a 
2820-1 Au 9 2776°8 Mg 4x 2734:1 Sc 7 
2819°3 Rh 8 | 27759 Rh 6 2734:0 Cd 3 
2818°9 Yb 10 2777-6 Mo 6 2730-6 Bi 4 
2818°0 Ti 10 Qos Cd 6 2729°8 W 10 
2817-1 Yt 30 2775°1 ie 2729-0 Rh 6 
2816°4 Al 10 2774-9 IPs | GB 2727-6 Fe 8 
2816°3 Mo 8 2772°2 We 10) 2725°5 Ru 8 
2815°5 Ag 9 2071-5 Ba 8 2724-9 Ru 6 
2813°8 eo 2771:0 Zn 8 BU QBB Bie ® 
2813-7 Sn 6yx 2770-0 Sb 8 Bet eiL ie al 
2813-4 Fe 2 2769°8 Te 8 2719-0 Sb 6 
2810°8 Ru 6 2769-7 Ar 8 2717°5 lie 
2810°7 Nb 6 2769°0 Ru 6 2715°8 V 16 
2810-4 Wi, 1) 2768°7 V 10 2715°4 Rh 8 
2810-4 We 1B 2768-0 Tl 6W 2714°5 Fe 7 
2809°7 BiB 2767°6 Ag 8x 2714:°0 In 1 
2807°8 Mo 6 2767°6 Fe 7 2713°8 Cu 8x 
2806°3 Ar 8 2766°6 Cr 10 2712°6 Zing?) 
2805-0 Ti 10 2766°6 V 10 Bil 5) IRC 
2803°6 Yb 10 2765°8 Wald 9 rites) Ag 8 x 
2803°6 Ww Lo 2764-0 Ca 4 | 2711°9 V 10 
2802°8 Me 10» 2763°9 lake Fh Dailies Ter 
2802°8 Naa 2762-7 Cr a eneglo se Ibn 2 57 
2802°3 Au 10 2761°9 Fe 3 2709-7 Ge 20 
