Proceedings of the American Academy of Arts and Sciences. 

 Vol. XXXIII. No. 8. — December, 1897. . 



CONTRIBUTIONS FROM THE CHEMICAL LABORATORY 

 OF HARVARD COLLEGE. 



ON THE CUPR OS AMMONIUM BROMIDES AND THE 

 GUPRAMMONIUM S ULPHO TANA TES. 



By Theodore William Richards and Benjamin Shores Merigold. 



VOL. XXXIII. — 9 



