Proceedings of the American Academy of Arts and Sciences. 

 Vol. XXXIX. No. 14. — January, 1904. 



CO^TEIBUTIONS FKOM THE JEFFERSON PHYSICAL LABORATORY, 



HARVARD COLLEGE. 



INFLUENCE OF OCCLUDED HYDROGEN ON TILE 

 ELECTRICAL RESISTANCE OF PALLADIUM. 



By W. E. McElfresh. 



