166 
REPORTS ON THE STATE OF SCIENCE. 
IRIDIUM—continued. 
Are Spectrum Spark Spectrum Redon te 
Wave-length .. | Wave-length 4 vorre Oscillation 
ras 2 eee Intensity _~__| Intensity | Frequency 
Exner and | and Exner and | pa ee SE 
Kayser findahee. Character WTasehink Character) A+ , 
2758°325 2758°33 2 0°79 | 10°5 | 36243:-4 
2758°2 il 5 AS 45° 
57°6 1 Ss La eeres 53° 
56°6 1 > ee 66° 
56°206 56°20 1 PR eo 71:3 
56:0 1 ase Elbe ss 74: 
55:8 1 cs Hae 17 
55:2 1 ys x 85- 
54:6 1 45 3 92- 
53-954 0 53°8 2 a3 as 36300-9 
53:2 1 3 a 11: 
52:8 2 3 a 16: 
52°3 1 a eb 23° 
51:8 1 saa taaee 29- 
BOS 3} al: Fy 106 43° 
50:0 In rf os 53° 
49°3 1 a ri 62- 
49-075 0 oE = 65°3 
48°8 1 a es 69: 
48-395 0 48°3 1 iy 35 74:3 
48-0 1] 35 7 80- 
47:602 47°62 1 » ” 94°7 
47-383 0 “f =o 87-7 
46-1 1 ay As 36405- 
| 45°5 1 sf “A 13- 
/ 45:2 1 #c a 17- 
445 | |] a “4 26- 
44:091 44:09 3 44:] 2 Bs “a 31:3 
43-769 0 43°9 1 “4 oi 35°6 
43-477 0 43°5 2 Re “J 39°5 
40-432 1 | 0°78 “i 80-0 
40°267 40:22 1 | a = 82°5 
40°166 40°16 1 | ” ” 83°6 
40-085 40:08 1 | ” » 84:7 
39°413 39°39 1 39-4 2 =p 3 93°7 
39°3 1 6 ie 95- 
38°875 0 38-7 it * 36500-7 
38°4 1 <p ve 07: 
37°6 In Rh? 3 18: 
37°38§ | 2 37°3 1 ss py 20°7 
| 36°8 1 - = 28° 
36°509 0 5 =f 32-3 
36°3 it 26 95 35° 
| 35°78 In 35°7 1 “i Bs 42°] 
35°3 / 1 re Js 48- 
35°165 | ] 3 , 50°3 
| 350 | In Fh “4 52: 
34:596 | 0 » 5 58:1 
ator) oT 53 3 62: 
34:03" 5 Pr Re 65-4 
33°4 2 By Re 74: 
§ Occurs also in Pt. 
"’ Occurs also in Pt and Pd. 
