CONTENTS. 



Page 

 I. On the Temperature Coefficient of the Potential of the Calomel 



Electrode, with several different Supernatant Electrolytes. By 



Theodore William Richards 1 



11. Note on the Rate of Dehydration of Crystallized Salts. By 



Theodore William Richards 21 



III. Suggestions for the Development of the Arts and Sciences. By 



W. R. LiVERMORE 29 



IV. On the 3, 4, 5 Tribromaniline and some Derivatives of Unsym- 



metrical Tribrombenzol. By C. Loring Jackson and 



F. B. Gallivan 43 



V. 1. A Systematic Study of the United States and Mexican Species 

 of Pectis. 

 2. Some Rare and Undescribed Plants collected by Dr. Edivard 

 Palmer, at Acapulco, Mexico. By M. L. Fernald ... 55 



VI. A Revision of the Atomic Weight of Nickel. First Paper. — The 

 Analysis of Nickelous Bromide. By Theodore William 

 Richards and Allerton Seward Cushman .... 95 



VII. A Revision of the Atomic Weight of Cobalt. First Paper. — The 

 Analysis of Cobaltous Bromide. By Theodore William 

 Richards and Gregory Paul Baxter 113 



VIII. On the Cuprosammonium Bromides and the Cuprammonium Sidpho- 

 cyanates. By Theodore William Richards and Benja- 

 min Shores Merigold 129 



