ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS, 
Spark 
Spectrum 
Roscoe 
and Schuster 
Intensity 
and Character 
TERBIUM—continued. 
Spark 
Spectrum 
Roscoe 
and Schuster 
Intensity 
and Character 
Spark 
Spectrum 
Roscoe 
and Schuster 
44143 
4408-9 
4407°7 
4406°3 
4402-7 
4401-4 
4390°4 
4387-1 
4382-4 
4380°1 
LO io) er Mori: sem oul. os 
4373°4 
4369-2 
4361-4 
4360°4 
4351°6 
4350°2 
434771 
4346-0 
4341°7 
4335°5 
DPOPEPAAH OH 1 w 
4333-4 
4329°8 
4328-4 
4326°1 
4325-0 
4318-4 
$4315°3 
$4313°1 
4308°7 
297 
Intensity 
and Character 
i 
{ 
Or bo bo Ole oe bb OD 
* Less refrangible than the Yttrium line 4673°8. 
I. Flame 
Spectrum 
Lecoq de 
Boisbaudran 
5680 
*5349 
| 
II. Spark Spectrum ae ey 
Recs | : Liveing 
uggins Thalén Aral Dewar 
6547 
6240 | 
6002 | 
5949 5947-7 
5824 | 
5771s 
5608-1 
5487 | 549071 
| 5412°6 
5360°1 
5347 =| = 5349°6 (5349-6) | 
| | 
5153 =| 5152-7 
| 5085-1 
5078 50786 
5054 5053°1 
4980 4981-6 
4945°6 
4893 4892-1 
4767 
4737 4735°6 
4112 
3775°6 
3528°3 
3517°8 
3228°1 
2943°9 
THALLIUM. 
t+ Double. 
Intensity and Character 
3n 
10sec 1 
Ill. 
