ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS. 399 



SiLVEB (Akc Spectrum) — cmitinvsd. 



For the lines marked 4* 5* 6* 7* « = 30712-4 or 316332, Z» = 130621, c = 109382-3 ; 

 for those marked 4t Sf 6t- a = 30696-2 or 316170, J = 12378-8, c = 39430-3. 



