366 



BULLETIN OP THE UNIVERSITY OF WISCONSIN. 



Table III. 



MISCELLANEOUS ORGANIC COMPOUNDS. 



Pyridine. — The sample was Schuchardt's preparation. It 

 was redistilled and found to "boil from 115.5° to 117° C. un- 

 der 745 mm. of pressure. With this several measurements were 

 made, the average of the results for the D. C. being 12.35 at 

 21° C. 



A second sample was furnished by Prof. Kahlenberg. Kahl- 

 baum's best preparation was carefully purified according to the 

 method given by Ladenburg. 1 The portion boiling at 114° C. 



i Liebig Ann. 247, 1. (1888). 



