u 



Mr. J. S. Ames on Relations between 



Wave-length 

 in Air. 

 30761 r. 

 3072-1 r. 1 

 3035-9 \ y. 

 3018-5 J 

 2800-9 r. d. 

 2770-9 r. d. 

 2756-5 r. 

 2712-6 

 2684-2 

 2670-7 

 2608-7 

 2582-5 

 2570-0 

 2516-2 

 2491-6 

 2479-9 

 2463-7 

 2440-4 

 2429-0 j 

 2138-3 r. 



Zinc (continued). 



)•■ 



Wave-length 

 in vacuo. 

 3077-1 

 3073-1 

 3036-9 

 3019-5 

 2801-8 

 2771-8 

 2757-4 

 2713-5 

 2685-1 

 2671-6 

 2609-6 

 2583-4 

 2570-9 

 2517-0 

 2492-4 

 2480-7 

 2464-5 

 2441-2 

 2429-8 

 2139-0 



Wave-numbers. 



3249 



T3254 



<^ 3292 



I 3311 



3569 



3607 



3626 



f 3685' 



<^ 3724' 



[ 3743' 



f 3832' 



\ 3870' 



[ 3889' 



f 3973' 



\ 4012' 



14031" 



T4057- 



\ 4096- 



> 4115- 



4675' 



■8+-11 

 



8 Sharp. 

 •8 



1±-13 



•8 Strong and nebulous. 



6 



3 ±-14 



3 Sharp and faint. 



+ -15 



9 Strong and nebulous. 

 7 



0+-16 



2 Nebulous. 

 1 



6+17 



3 Hazy. 

 6 



1+-22 



This last line is a broad reversal. 



Cadmium. 



Wave-length 

 in Air. 

 6438-8 

 5086-1 r. } 

 4800-0 r. La. 

 4678-3 r. J 

 4413-1 

 3614-6 

 3613-1 

 3610-6 r. 

 3467-7 

 3466-15 i 

 3403-7 r. 

 3261-1 r. 

 3252-6 r. 

 3133-2 

 3081-0 



YP- 



2868-2 

 2775 

 2733 

 2763-9 d 

 2677-6 d 

 2639-4 

 2660-3] 

 2580 2 \ n. 

 2544-8 J 

 2602-1 1 

 2525-3 \ 0. 

 2491 J 

 2288-1 r. 



•oL. 



•8 J 



Wave-length 

 in vacuo. 

 6440-7 

 5087*6 

 4801-5 

 4679-7 

 4414-5 

 3615-7 

 3614-2 

 3611-7 

 3468-8 

 3467'3 

 3404-8 

 3262-2 

 3253-6 

 3134-2 

 3082-0 

 2981-8 

 2881-9 

 2837-9 

 2869-1 

 2775-9 

 2734-7 

 2764-8 

 2678-5 

 2640-3 

 2661-2 

 2581-1 

 2545-7 

 2603-0 

 2526-1 

 2492 

 2288-9 



Wave-numbers. 



1552-6 ±-02 

 [1965-6+-05 

 ^ 2082-7 

 [2136-9 



2265-3 

 ( [2765-7 ±-08 



\ 2766-9 

 1 2768-8 

 f 2882-8 

 1 2884-1 



2937-0 



3065-4 ±-09 

 f 3073-5 ±-10 

 \ 3190-6 

 [3244-7 

 (3353-7 ±-12 

 \ 3469-9 

 [3523 7 

 f3485-4±-13 

 \ 3602-4 

 [ 3656-7 

 T3616-9 + -14 

 \ 3733-4 

 [ 3787-4 

 f3757-7±-15 

 \ 3874-3 

 I 3928-2 



3841 -7 ±-16 



3958-7 



4012-5 



4368-9 + -19 



Strong and sharp. 



Very strong and 

 nebulous. 



Sharp. 



Strong and nebulous. 



Sharp and faint. 



Strong and nebulous. 



Nebulous. 



Hazy. 



