ON THE CHEMISTRY OF AUSTRALIAN PRODUCTS. 203 
eucalyptene distil over together. Theoil called eucalyptol by Cloez, 
the authors say is a mixture of about 70 per cent. of eucalyptene, 
and 30 per cent. of ¢ cymene, which boils between 171° and 174’ after 
being rectified over sodium. The eucalyptene and cymene cannot be 
: separated by fractional distillation, but the cymene is obtained by 
; shaking the eucalyptol with sulphuric acid diluted with four parts 
of water, which SS the eucalyptene on standing, when the 
a. Om or Evcatyprus. I. Homeyer. (Arch. Pharm. [3] 
¥, 293, ©. 8. J., XIV, 244.) This paper is almost identical with 
the last abstract, 
_ Evcatyprus Ort, probably from Z. odorata or £. am ygdalina 
ecatisina ‘an and Pfaff, (Deut. Chem. Ges. Ber. VII, 625 ; Watts 
’ Sh 761. 
oil, “a repeated treatment with potash, washing with water, 
and “secrepach ge ee gave eucalyptene boiling at 172° to 175°. 
The hydrocarbon did n t for a crystalline compound with nei 
chloric acid, nor a condiallins cena when left for six months in 
Contact with nitric acid and alcohol. Treated with half the calcu- 
lated quantity of iodine it is converted into cymene which treated 
dilute nitric acid is oxidized to paratoluic acid melting at 
173° to 175°. Th de oil contained no oxidized compound 
‘lswering to the eucalyptol of Cloez. 
Tuer Restn or E. uosuius. F. A. de Hartzen. (Compt. Rend. 
LXXx, 1248 
This resin was obtained as a residue, on distilling the mee a 
tincture of the leaves. It was found’to contain tannin tannin and hol, 
- substances. If the resin is dissolved in absolute alco. ol 
«Acetate of lead and a quantity of ammonia just sufficient to se e 
~ the Solution neutral, the tannin is precipitated, whilst the other 
Se Se 
e and concentrated sulphuric uric acid, but not in acetic 
