Chemical and Physical Papers. 59 



port, as it is somewhat difficult to obtain results which are 

 concordant. This is unquestionably due to the fact that com- 

 plete extraction is somewhat difficult to obtain. One result 

 seems at present clear to us, namely: For this preliminary 

 analysis, different spices seem to require different treatment. 

 That is, different solvents must be selected for the different 

 classes of spices, and the treatment of the resulting solutions 

 must vary according to the nature of the spice. A statement 

 will be made later when the examinations of solvents and 

 spices have been completed. 



