OF ARTS AND SCIENCES. 309 



tion gave 5.25 c.c. of nitrogen from the sodic nitrite at a tempera- 

 ture of 16° and a pressure of 7C5.5 mm. 43.3 gr. of the solution 

 gave 0.2390 gr. of argentic bromide. 



XVII. Weight taken, 1.2696 gr. Alcoholate used, sodic iso- 

 butylate. Weight of aqueous solution, 56.65 gr. 19.3 gr. of the 

 solution gave 9.4 c.c. of nitrogen from the sodic nitrite at a tem- 

 perature of 29°. 5 and a pressure of 756.3 mm. 15.95 gr. of the 

 solution gave 0.2198 gr. of argentic bromide. 



XVIII. Weight taken, 1.5118 gr. Alcoholate used, sodic iso- 

 amylate. Weight of aqueous solution, 53.3 gr. 26.5 gr. of the solu- 

 tion gave 8.4 c.c. of nitrogen from the sodic nitrite at a tempera- 

 ture of 20° and a pressure of 762.4 mm. 26.25 gr. of the solution 

 gave 0.3352 gr. of argentic bromide. 



XIX. Weight taken, 1.5656 gr. Alcoholate used, sodic isoamyl- 

 ate. Weight of aqueous solution 85.1 gr. 37.4 gr. of the solution 

 gave 9.9 c.c. of nitrogen from the sodic nitrite at a temperature of 

 19°. 5 and a pressure of 766.2 mm. 



Action of Sodic Methylate in Benzol. 



XX. Weight taken, 1.0892 gr. Weight of solution, 65.7 gr. 

 31.7 gr. gave 10.1 c.c. of nitrogen from sodic nitrite at a tempera- 

 ture of 22° and a pressure of 766.9 mm. 34 gr. gave 0.4212 gr. of 

 argentic bromide. The organic matter insoluble in water weighed 

 0.509 gr. 



XXI. Weight taken, 1.2612 gr. Weight of aqueous solution, 

 40.05 gr. 17.35 gr. of the solution gave 11.7 c.c. of nitrogen from 

 the sodic nitrite at a temperature of 25° and a pressure of 758.9 mm. 

 22.7 gr. of the solution gave 0.4088 gr. of argentic bromide. 



XXII. Weight taken, 1.1561 gr. Weight of aqueous solution, 

 58.9 gr. 24.3 gr. of the solution gave 10.9 c.c. of nitrogen from 

 the sodic nitrite at a temperature of 25°. 5 and a pressure of 

 765.4 mm. 34.6 gr. of the solution gave 0.4732 gr. of argentic 

 bromide. 



Action of Normal Sodic Propylate in Benzol. 



XXIII. Weight taken, 1.2281 gr. Weight of aqueous solution, 

 60.85 gr. 22.75 gr. of the solution gave 8.2 c.c. of nitrogen 

 from the sodic nitrite at a temperature of 20°. 5 and a pressure of 

 759.4 mm. 38.1 gr. of the solution gave 0.1398 gr. of argentic 

 bromide. 



