ON TRANSFORMATION OF AROMATIC NITROAMINES, 105 
salts—as, for example, those of s-tribromodiazobenzene—which do not 
yield the corresponding phenol (or its derivatives) on heating, decompose 
nearly quantitatively in this manner under the influence of light. 
Wave-length Tables of the Spectra of the Elements and Compounds.— 
fteport of the Committee, consisting of Sir H. EH. Roscor (Chair- 
man), Dr, MarsHaLL Warts (Secretary), Sir Norman Lockyer, 
Professor Sir James Dewar, Professor G. D. Livetna, Professor A. 
ScHusTER, Professor W. N. Hartiey, Professor WoLcorr Gripes, 
Sir W. dE W. Apsyey, and Dr. W. E. ADENEY. 
Neon. 
Baly, ‘Phil. Trans,’ (A) ccii. p. 183, 1903. 
Reduction to 
Intensity Vacuum Oscillation 
Wave-length Ch and Liveing and Dewar ~~ |S Frequency 
aracter ee | I; in Vacuo 
| k 
671720 1 6716 | 182!) 40)  14883-2 
6b00'16 4 pale 1:79 | “4-1 | 15149°3 
: | 7s | ,, 15302°6 
ee |. 6 6508 laa | £2 | OLS 
ee | 1 6446 | evoee a || 15501°9 
‘9 i efi 74h | 96°7 
uae 10 | 6404 ~ ee 15604'9 
01-2 1 5 nay Rye7 
6383°15 8 6382 saad asl 62:2 
ae 1 1:73} 4:3 | 15738°7 
N 1 1°72 | ” 90°7 
28°38 6 6334 ye pat) Oat 97-5 
13°94 i 4! + neat | 15833°7 
04:99 8 | 6304 a oe Ee 56°1 
6294:04 1 ee Bes east 83:7 
73:26 1 o a 15936°4 
oe 10 6266 1:70! ,, 53°5 
i 7 ” 72°5 
47:00 1 |? 6244 » | 44 | 160033 
sa : 6217 1:69 | ,, 79:2 
x ” ” 88°0 
06:01 1 a Am 16109:0 | 
artes i ee oe eae | 
82:37 10 6183 fei, ee 70°6 
79:90 1 é o 171 
15°15 2 6176 = f 89:8 
73-02 1 ee a 95°1 | 
66°81 1 ” ? 16211- 
63°79 10 6163 ‘ a 19°4 
Bir : 1re7| 2 Ae 
: 5 
43:28 10 6144 As ss 73:5 
ase : 6128 _ = 16302°5 
2 » » 40°2 
6096'37 10 6097 166 | ,, 98°7 
74°52 10 6075 1:65 45 16457° 
64:36 | 1 ie 85:3 
