COMPILED DATA UNDER GREEN TABLE NUMBERS. 

 Experimental data by Chlopin Continued. 



147 



G. T. 675. 



Trade names. Thiocatechin; Thiocatechin S. 

 Shade. Brown. Not offered. 



Nothing. 



FAVORABLE. 

 UNFAVORABLE 



1. CHLOPIN (pp. .'lo, $11) rxamined this color and classes it as "very poisonous." 

 The experimental data are as follows: 



Experimental data by Chlopin. 

 [[ gram=128 mg=90 grains.] 



G. T. 689. 



Trade names. Indigo; Indigo Pure BASF. 

 Scientific name. Indigo tin. 

 STiade. Blue. Not offered. 



