ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS. 
RUTHENIUM—continued. 
~JI 
“I 
Spark Spectrum Pegueton 
Wave-length | Intensity Oscillation 
(Kayser) eas aha : - an ; 1 ene, 
Are Spectrum Adeney Haschek raracter | y 4 a in Vacuo 
*4063°021 1 1:12 | 69 24605°3 
4060°7 In FF a 
58°2 In 2 33 
* 54-216 405422 54°18 4 111 AS 58'S 
* 52°356 52°36 52°6 nt ” » 7071 
* 51°566 51°57 51°56 4 ” ” 74:9 
* 49°570 49°57 49°8 2 Bs 70 87:0 
47°4 In ” ”? 
* 46:2 2 ” ” 
43°5 2n ” 2” 
42-123 2 ‘3 oA 24732°5 
40°620 40°7 2 : ” 41°7 
Be, 39°37 39°6 4 ’ » 49°3 
37°892 38°2 2 > ” 58-4 
36612 37°0 2 ih, ee 5 66:2 
32°650 328 In Ve ae = 90°5 
* 32:363 32°36 32°6 4 ” ” 92:°3 
* 31147 31°15 31°4 3 ” ” 99°8 
30°6 In > cc 
28°584 28°8 2 a “5 24815°8 
26°650 27-0 1 > ” 27°5 
* 24°848 25°1 2 ss 2c 38°3 
24°449 24°7 2 as Fi 41:1 
* 24-001 24:00 24:00 4 ” 33 43°9 
22837 2371 2 5 Fr 511 
*  92°327 22°33 22°30 5 as cf 54:2 
21°146 21°15 21:4 > 3 a ry 61:0 
19°699 19-70 19°9 Ir 2 ” » 70°5 
18-891 | 1 33 re 75°5 
158 In 1:10 
14:297 14:30 14:6 2 ” ” 24904°0 
13871 13°87 14:1 2 ” ” 06°6 
* 13°655 13°66 13'8 4 =p 5 07°9 
11-882 09°91 11°6 2 ” ” 19°0 
10°3 1 = A 
* 08-422 08°42 08°6 2 » > 415 
* 07°680 07°68 07:8 3 » ” 45-1 
* 06°749 06°75 07:0 ze 3 ” 50°9 
* 05'789 05°79 06:0 4 » > 56°9. 
04:7 In ” ” 
03°15 03°3 In Bs ci 73-2 
01:8 1 ” ” 
3998-2 In 2 * 
*3996°650 3996°65 96°6 2 » an 25013°9 
96°136 96°14 96°10 4 ” » dif 
94-700 1 ee °p 26°1 
89°344 2 35 a3 59°7 
* 87:959 87°96 | 87°95 4 55 omit 133 68°4 
* 85-011 85°01 | 85-00 5 aa a 863 
84°840 | 1 BOW 88-0 
82°372 82°37 82:1 3 » 3 25103°5 
* 79°591 79°59 79°58 2 HE Fy. 211 
* Rowland and Tatnall: 4063°023, 4054:212, 4052°354, 4051°561, 4049-570, 
4045-949, 4039°365, 4032-362, 4031-155, 4024°847, 4023°986, 4022-315, 4013°652, 
4008-418, 4007:686, 4006-748, 4005-793, 3996°128, 3987-942, 3985-007, 3979°571. 
