ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS, 
YTTRIuUM—continued. 
Reduction to 
125 
Wavye-length | Intensity Pe Sed Lohse NACHE Oscillation 
(Kayser) and havosand Arce Spark Frequency 
Are Spectrum | Character Hacchak en bas in Vacuo 
peas 
6182°455 b 168 | 4:4 16170°4 
65°310 b 33 ap 16215°4 
50°935 1 1°67 ér 53°3 
48-624 b 5 cH) 59°4 
38°645 aa a “ 85°9 
37°893 1 FP FA 87°8 
34°240 3 “ aS 97°5 
32°343 b ” 22 16312°6 
27°610 1 ” ” 15:2 
24-701 1 oF “5 22°9 
14:954 1 a fC 49:0 
08-050 1 1-66 i 67°4 
02:967 1 s op 81-1 
6096-999 1 | or “ 97°1 
89:597 1 a: oP 16417:0 
88-190 2 | “p 4:5 20°7 
82-800 1 | as rr 35°3 
81-448 1 or Ap 39°0 
73034 1 1:65 +c 59°3 
60-526 1 Me - 95-7 
53-998 b rp Ay 16513°5 
42:778 1 1°64 a 44:2 
40°463 2 “ a 40°5 
36°833 b of . 60:5 
25°513 I - os 91°6 
23°624 2 ” ” 96°8 
20°105 b on of. 16606°5 
08-424 2 ” ” 37°8 
07:929 1 sp 3: 40:2 
04:906 1 1°63 3 48°6 
03°810 b 3 nS 51°6 
5987°870 b af re 93-1 
827133 2 65 167119 
72°324 b A “A 39°4 
66-439 1 1°62 ar 55°9 
50°249 2 “5 4°6 16801-4 
45:946 2: 2 3 13°6 
45-081 1 s “ 16:0 
03:201 2 1-61 a 16935°3 
5880-218 1 1:60 cE 17001°5 
72:072 1 on 4°7 25:2 
32-480 1 1:59 ae 17138°7 
22°064 2 Fr Fy 75°4 
12°888 1 1-58 rE 98-6 
5797°348 1 op rf 17244°6 
87:907 1 oc rb 72°7 
81-901 2 ” ” 90°6 
65-849 3 Pe a 42:9 
44-046 3 ” ” 17404°5 
43-567 1 BAe», ae 06-1 
40°417 1 1:56 > 15°6 
29:087 3 $5 os 50:1 
27-090 ] Oe ieee 56:2 
23-663 2 = tare 66-6 
20°801 3 aides 753 
