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§ 9. The sorting and packing of the Peruvian bark 

 must be carefully carried out. 



In commerce the Peruvian barks are distinguished 

 in two principal classes, viz. I. those destined for manu- 

 facturing sulfate of quinine, and 2. those for the use of 

 pharmacy for extracts, colours, wines, &c. In sorting the 

 barks for the manufacturing of sulfate of quinine care 

 must be paid to have barks of an equally intrinsic value 

 of quinine ; while in the sorting for the use of pharmacy a 

 good appearance should especially be considered. 



§ 10. The production of Peruvian bark in the isle 

 of Java was in : 



