ON ■WAVE-LENGTH TABLES OF THE SPECTRA OF TIIE ELEMENTS. 433 



Oxygen — continued. 



For ultra-violet lines, possibly due to oxygen, see ' Air.' 



Plucker gives also oxygen lines at 6452, 6118, 5340, 5315, 5144, 4848, 4327, 4262, 

 4243, 4171, 4136, 4104, and 4094, of which 4243 has also been noted by Lecoq de 

 Doisbaudran. 



1884. 



F F 



