RUTHENIUM—continued. 
_ ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS. 
99 
q  Wave-length 
(Kayser) 
Spark Spectrum 
A. Exner and 
| Are Spectrum Adeney spears 
3056877 
56°192 | 
* 55°042 305504 
3054'8 
54°6 
53°450 
52°445 
51-974 
51°704 
50-504 
50°309 50°3 
49°32 49°32 
49°174 
* 48°897 48°90 48°7 
* 48°606 48°61 48°4 
48-442 
47°88 47°6 
47:108 47:0 
46°356 46°36 46°1 
46114 
* 45833 45°83 45:6 
45°630 
44:5 
44:077 
43°161 
* 42-953 42°95 42°7 Ir 
_ * 42-598 42°60 42°3 
42°025 
* 40-418 40°42 40°2 
40:071 40:07 39°9 
39°586 
38°851 38°6 
* 38-289 38:1 
38-078 37°9 
: 37°845 37°0 
36°580 36°58 36°53 
35°93 35°6 
_ 35°578 353 
* 34:167 34:17 33°8 
* 33°562 33°56 33°4 
33°16 33:0 
32°771 32°77 32°3 
32°026 315 
311 
30°890 29°2 
30°801 30°7 Os 
29-04 28°9 
28°785 
27°910 27°91 27°7 
27°678 
27°361 
277195 27°20 27-0 
26°7 
Intensity 
and 
Character 
RONOFORKFN RRO 
WRENN NOOCNWREWNRE ORK OCRNWNONORRO 
WO DR Oe 
eSBNoooo Wr 
Reduction to 
Vacuum 
A+ 
Oscillation 
* Rowland and Tatnall: 3055-039, 3048-900, 3048-603, 3045°828, 3042-944, 
3042°587, 3040-420, 3038-284, 3034-169, 3033-564. 
H2 
