Proceedings of the American Academy of Arts and Sciences. 

 Vol. XL. No. !>. — Octouku, 1.901. 



SOME ADDITIONS TO THE ARC SPECTRA OF THE 

 ALKALI METALS. 



Bv F. A. Saunders. 



Investigations on Light and Heat mabe or punLisnED, whollt or in part, wiin Appro^'riations 



FROM TUE RuMFORD FuXD. 



