Proceedings of the American Academy of Arts and Sciences. 

 Vol. XXXVII. No. 14. — February, 1902. 



CONTRIBUTIONS FROM THE CHEMICAL LABORATORY 

 OF HARVARD COLLEGE. 



A NEW INVESTIGATION CONCERNING THE ATOMIC 



WEIGHT OF URANIUM. 



By Theodore William Richards and Benjamin Shores Merigold. 



MARINE BIOLOGICAL LABORATORY. 



^ • ^ 



Received $<r^^.../.f^j2..., 



Accession No. /^^y/l. 



Given by i-^? rr>^ i-t;^<<^z«?^r. ^il^^^ 

 Place, 



*** Ho book OP pamphlet is to be removed fpom the Iiab- 

 opatopy uiithout the pepmission of the Tpustees. 



