ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS. 215 



Palladium — cantimted. 



f Observed also in the arc by Exner and Haschek, whose numbers are 3075'28 (3), 

 3066-20 (2), 3065-41 (20), 3046-61 (1), 3032-30 (1). 3028-86 (2), 302805 (20), 3021-87 

 (3), 3020-79 (3). % Double. 



