ILLUSTRATIONS 



TEXT FIGURES 



Fig. 1. Full curves =phenoquinone. The upper in alcohol, the middle in 

 alcohol with 8 equivalents of phenol, and the lower in pure 

 phenol. 

 Dot curve = quinone in alcohol. 

 Dash curve=phenol in alcohol. 

 2. Full curve =2,5-dianilinoquinone. 

 Dot curve = 2,5-dianilinoquinoneanil. 

 Dash curve =azophenine. 



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