546 PROFESSOR CONNELL'S ANALYSIS OF THE TAGUA NUT. 



with justice assume the previous existence of matters, obtained from organic sub- 

 stances by the agency of strong alkalies or strong acids. In considering the 

 residue as ligneous matter, I followed the directions of BEEZELIUS for obtaining 

 that substance from vegetable matters, and employed no re-agents which could 

 change the nature of the substances acted on. My object did not go farther. 



