JUNE 19, 1923 WALTERS: REGULARITIES IN ARC SPECTRUM OF IRON 249 
TABLE 1—Continued 
NOW|" 7X AE INT. pVAC. eres ZEEMAN PATTERN reece 
? 
11/5142 .934 3 19438 .75 IB C % o 
(2)8 
5150.845 4 19408 .90 IB cs 
5151.916 3 19404. 86 IB 2 
(0)6 
12/5269 .538 | 10 18971.72 IB 5? 3+3+3+2+4+1 
5328 . 044 7 18763 .41 IB complex 448.51 
5371.496 | 7 | 18611.62 IB complex 351.30 
5397 .135 6 18523 .21 IB 257.72 
(1, 0)4, 2 
5405 .780 6 18493 .59 IB rier 168.92 
5429 .701 6 18412.11 IB complex 
5434.527 6 18395 .76 IB unaffected 240.20 
(2, 14ass3 eo 
5446 .922 6 18353 .90 IB j 2 199.50 
6)3 
5455 .617 6 18324. 66 IB on 139.68 
3;0)6; 3.0 
5497 .521 4 18184.98 IB SOUR 71.10 
5501.471 4 18171.92 IB ? 
5506 .785 4 18154.40 IB 6 
13/2501. 14 3b | 39969.72 II 2434+34+3+1 
2510.843 6b | 39815.25 II 
2518.11 | 6b | 39700.36 Il 415.80 
2522.86 5r | 39625.63 106 288.08 
2527 .44 4r | 39553.82 II 183.95 
2529 .143 6b | 39527.20 90.12 
2529 .83 4 39516.46 | III 
2535.613 6 39426.34 | III 344.00 
2540.97 6 39343.20 | III 261.46 
2545 .987 3 39265.71 | III 173.21 
2549 .616 6 39209.92 | III 86.56 
14/2719 .037 7r | 36766.84 II 3+3+3 
2720.910 i esOrel .55 QE 
2723 .582 6r_ | 36705.50 II 415.84 
Ziotcole 6r | 36521.39 II 288.04 
2742 .408 6r | 36453.53 II 184.13 
2750.145 6r | 36351.00 uh 89.95 
2744 .072 8 36431. 44 II 
2756 .332 5 36269 .38 it 390.57 
Qiterble 6 36062.94 | III 251.99 
