132 
ON GAMBOGE. 
The analysis of two specimens of gamboge, given by- 
Professor Christison to Professor Liebig, gave the following 
results: 
Analysis of 
Analysis of 
NO. I. 
NO. II. 
Fatty acid, soluble in aether, 
== 79.794 
7S.841 
Coloring matter, soluble in alco- 
hol and water, 
= 0.573 
41.030 
Gum, 
= 19.519 
12.595 
Residue, 
== 0.114 
4.534 
100.000 
100.000 
The residue of No. II. consisted chiefly of particles of 
wood-dust and sand. 
The specimen No. I. was labelled "Finest Siamese cane 
gamboge from Singapore, from a sample never met with in 
commerce." 
No. II. was labelled " Ceylon gamboge, prepared for 
native commerce, but never met with in the commerce of 
Europe." 
Ibid, from Jinnalen der C hemic und Pharmacies 
