on the spark spectra of palladium, rhodium and ruthenium. 347 



A 



dX/\ a 



In- 

 tensity 





3743-0 



+ 1-71 

 



1 



5 

 3 



1 



[ The most refrangible constituent widens into 

 j the doublet of 3742-8. 





+ 1-89 



2 







3730-6 





 -1-87 



+ 2-00 



1 

 2 



2 







3728-3 





 -2-03 



+ 1-87 



1 



2 



2 







3727-2 





 -1-90 



+ 1-74 



1 

 2 



5 







3669-7 





 -1-72 



3 

 5 







36635 





3 



Too weak to measure. 

 ] 







+ 1-28 





3661-6 





 -1-28 



+ 2-23 



2 

 3 



o 

 O 



LThe middle constituent removed by calcite. 





3635-1 





 -2-20 



+ 1-71 



2 

 3 



5 







3600-0 





 -1-74 



+ 1-89 



3 

 5 



3 







3596-4 





 -1-92 



+ 1-24 



2 

 3 



2 



I 





3593-2 







1 



1 do. 







-1-24 



2 





3570-7 







Too weak and diffuse to measure. 







+ 1-87 



2 







3499-1 





 - 1-80 



1 

 2 







