ON THK CONSTITUTION ETC. OF ESSENTIAL OILS. 



311 



Rej)orl of the Committee for the purpose of investigatmrj the Chemical 

 Constitution and Optical Properties of Essential Oils. 



Dr. Gladstones Beport. 



Some of the substances i^rcpared and analyzed by Dr. Wright were examined 

 by me for certain physical properties. 



The specimens of hydrocarbon derived from nutmeg-oil were perfectly 

 clear and colourless, and had an odour resembling that of turpentine, but 

 more fragrant. The following are the results of the optical examination of 

 three specimens with different boiling-points (under them are given tho 

 numbers in my papers in the Chemical Society's Journal for ISGi) : — ■ 



