ON WAVK-LKNOTH TAOLES OF THE JSinCCrilA OK THE ELEMENTS. 417 



Lanthanum coiitimutl. 



\ 

 I 



■I 

 II) 



in 



10 



1 

 S 

 (') 

 •> 

 •I 



10 

 8 

 « 

 1 

 I 

 I 

 1 

 S 





8 

 (i 

 fi 

 2 

 4 

 8 

 2 

 8 



8 



8 



8 



8 

 10 



8 



H 



t) 

 8 

 S 

 i) 

 G 



10 



8 



(i 



10 



10 



t) 

 1) 

 8 

 4 

 4 



Lead. 



• Observed also liy I.ccnii ilc llnislinuilrnn in the Spiirk Siu'ctruni lu'twupn mptnlllc pi>lc3. 

 t 1 1 serveil nisii by Loekycr : t. • ' indices ' liuimte tlu; ' leii>ftlis ' of those lines. 

 } tfuTelluriiim. il .Sue .SllvtT. «'•> 43H7-3 Kirchboff, 



Hujjgins 



1)71)0 

 (i{555 



6():!l 



♦.")il!)7 

 5895 

 o87») 

 585;i 

 582;i 



r)77r, 



*.")()()8 

 *:.548 



*r);i72 



.■i274 



♦51 '.to 

 ol'JO 



:.1(;:{ 



*.J044 



1884. 



I. Spiirk Spectrum 



Arc sl'ltrum ' I"*''"''"}' ""'l Character 



Livciiiff 

 nnil Dewar 



I. 



II. 



lis 

 lOsc 



<iSC 



2s(l 

 (!iic 

 211(1 

 Giic 

 2iid 

 Gnc 

 4nc 

 n 

 2iicl 



lOnc 

 8nc 

 4.s(l 



lOnc 

 2.s(l 

 2.s(l 

 Gsc 

 2sfl 

 4sd 

 8nc 

 6sd 

 2nd 

 2nd 



E E 



