A portion of the Fagan's Creek oil was boiled for several hours with aqueous potash under a reflex, and the solution then distilled. The aqueous distillate was surmounted by an oil which had the characteristic odour of amyl alcohol, as had also the aqueous portion itself. This gave the iodoform reaction, but as nothing distilled below the boiling-point of water it was apparent that none of the lower boiling alcohols was present. The separated oily layer commenced to distil at 1300 C, and the portion which came over between that temperature and 1350 was separated. This fraction had the odour of, and gave the reactions for amyl alcohol, and when oxidised with potassium bichromate and sulphuric acid in the usual way, formed valeric acid. The silver salt was prepared and on ignition this gave 51.74 per cent. silver, which is almost the theoretical amount for silver valerate. As almost identical results were obtained with the alcohol of the ester in the Rydal oil, it is evident that amyl alcohol is the alcohol of the esters in the oil of E. aggregata.

Amyl alcohol was detected in the oil of E. globulus by Bourchardat and Olivier [Bull. Soc. Chem. III, 9 (1893), 429], and iso-amyl alcohol is now known to occur in the oils of other species of Eucalyptus.