646 



PROCEEDINGS OF THE AMERICAN ACADEMY. 



TABLE XVI. 



Temp. 16.6. Silver Niteate, N. 



Potassium Chromate, y?^. 



TABLE XVIL 

 Temp. 16.6. Silver Nitrate, N. 



TABLE XVin. 



Temp. 16.6. Silver Nitrate, 2- 

 Potassium Chromate, ^. 



TABLE XIX. 



Temp. 16.8. Silver Nitrate, f. 



Potassium Chromate, J^. 



