Proceedings of the American Academy of Arts and Sciences. 

 Vol. XLIII. No. 1. — Juxe, 1907. 



CONTRIBUTIONS FROM THE JEFFERSON PHYSICAL LABORATORY, 



HARVARD UNIVERSITY. 



STUDIES ON FLU QUITE. 



lY.— THE KATHODO-LUMINESCENCE OF FLUORITE. 



By Hakby W. Moksk. 



With a Plate, 



Investigations on Light and Heat made and published, wholly or in pabt, with Appropriation 



from the rcmi-ord fund. 



