234 REPORT—1890. 
NICKEL—continued. 
caeey and panne 
. haracter | Oscillation aracter | Oscillation 
Wave-length Hrequenéy Wave-length Frequency 
Spark | Arc Spark | Arc 
2219'S 6 1 45035 2197-2 *] 6 45498 
2219-0 1 45051 2193'2 1 45581 
2217°4 3 3 45084 2190-6 1 4 45635 
22160 6 3 45112 2190°0 ] 4 45647 
[2215'S 8 10 45116 2188'2 3 1 45685 
2212'5 4 3 45183 2185:0 6 1 45752 
§2211-4 1 3 45206 2184-2 6 6 45769 
§2210°5 4 4 45224 2182'8 1 6 45798 
2209'S *8 6 45239 21799 £ 45859 
2206-4 8 8 45314 2179-4 1 45869 
2205°2 *6 6 45333 2176°7 3 45926 
2203°0 =I 45378 21760 3 45941 
2200'S 8 4 45424 2174-4 4 6 45975 
2198-4 3 4 45473 21738 4 6 45988 
2198°0 Al 45481 
IopivE (Assorption).! 
* Double. T Triple. © Coincident with a solar line. 
Wave- Intensity and| Oscillation Wave- Intensity and} Oscillation 
length Character Frequency length Character Frequency 
6316751 4 15826°8 6301°16F ) 3 158653 
6314°66 2 15831°4 630051 f 15866°9 
6314°26 2 158324 6300°22 3 13867°7 
6313-90 2 15833°3 6300-00 3 15868°2 
6313°53 3 15834:2 6299°58* 5© 15869°3 
6313°18 3 15835'1 6298°94* 5© 158709 
6312-76 3 15836:2 6298°29 6 15872°5 
6312°23* 3 15837°5 6297:76* 5 15873°9 
6311°59* 3 15839:1 6297°15* 3 158754 
6311°11 3 15840°3 6296-82 3 15876°2 
6310°74 4 158412 6296-31 5© 15877°5 
6310°36 3 158422 629591 3 15878°5 
6310-08 4 15842'9 629531 5 158800 
6309°38 4 158446 629475 6 15881'5 
6308°67T 4 15846-4 6294°25 6 15882°7 
6308-05 4 15848-0 6293°72* 4 158841 
6307°73 2 15848°8 6293°29 3© 15885:1 
6307°38 3 15849'7 || 6292°91* 4 158861 
6307-00 3 15850°6 6292°45* 5 15887°3 
6306°64 3s 15851°5 6291-94 6 15888°6 
6306°13* 3 15852°8 6291°46 6 15889°8 
630569 3 15853:9 6290°98* 4 15891:0 
6305°38 3 15854°7 6290°62 3© 158919 
6304:83 3 15856:1 6290°23* 3 15892°9 
6304-21 4 15857°6 6289-83 6 15893°9 
6303°57 3 15859-2 6289-34 4 158951 
6302°34 3© 15862°3 6288:90* 4 15896°2 
6301-50 2 158644 6288:63 2 158969 
’ Hasselberg, Mémoires de V Académie des Sciences de St. Pétersbourg, vii® série, 
vol. xxxvi. (1888). 
