49 
: og Indo-Australian genus Oanarium, and named by him Oanarium 
The Government Analyst, Mr. Mar, examined this oleo resin, and 
gave his opinion as follows:—‘‘The substance in bottle marked 
3 ntine is a resin resembling elemi in its general chemical 
es. 
s much as 402. of the material was then sent by Mr. Bailey to 
Mr. Maiden, who gave a paper on the subject to our Royal Society, 
Which was read on 11th December, 1891. In this paper Mr. Maiden 
Yigorously objects to Mr. Mar’s statement, though the Pharmacopaa 
To settle the question, I started a new series of investigations 
resin put kindly at my disposal by Mr. J. F. Bailey, and 
I found the statement of Mr. Mar to be quite correct, e resin 
— & Canarium Muelleri is nearly related, and perhaps identical with the 
‘a elemi 
It contains an immense amount of acicular crystals of Baup’s 
e elemin, melting at 200° C., and soluble in 20 parts of alcohol of 
88 vol. per cent., but much less soluble in benzol and in volatile oils 
a than the uncrystallised resin. The crystals can only be seen under a 
ae h-power objective, and they look much like the as sige of the 
ae banana-tree, Very slender and delicate in the strong 
‘ Fst they gain a boldly marked aspect under the microscope if they 
oe been pressed between filter-paper and isolated from _the 
"aig ous resin. In benzol or lavender oil they look very distinct, 
and sag fresh resin of Canarium Muelleri is an oleo resin of the colour 
Pertieg isteney of honey. It is very adhesive, and in physical pro- 
: se a ge very much the Strasburg turpentine, to which it is 
5, related. 7 
_, It is soluble in the immiscible liquids, but dissolves slowly - 
im ordinary alcohol, on account of the slight solubility 0 
Uittic guztion, and the iodine compo ; 
wig (C4, and first discoloured and alien stained pink by sy si 
> Tincture of iodine is discoloured in a minute. These reactions 
