| Las; ihaee cee per. een: terpenes, BG 
eo Pe cent. Saar alcohol, 3 per cent, alcohol 
“ 
Olt < of Cypress. Considering that this oil is chiefly, if not exclusively, used for | 
aa peeposesy ‘its purity is of particular para Nes. This consideration induces © 
Kk ea oil Siaeiline of pobsCLO: his Taser ane deals with the properties of this oS 
p product, _ but gives no indications as to. its composition. Further informations on the S 
“odoriferous constituents of the thorn-apple are found in a paper by A. Sivolobov2) — 
“who by distilling stems, leaves, flowers and other parts of the plant with water, — 
Paisined a mixture of methyl alcohol, ethyl alcohol, trimethylcarbinol (2), aldehydes, — : 
ketones and esters. Among the aldehydes he found acetaldehyde and presumably also. 
z ormaldehyde, propylaldehyde, isobutaldehyde, and another aldehyde of a higher boiling ese 
point. Furthermore, acetone was found and a high-boiling ketone, as well as acetates 
anc 1 formates. — In. the process of distilling the herb a gas is developed, consisting of 
arbon dioxide and of a poisonous, odoriferous gas which is not. absorbed by potash 
ye and which is perhaps identical with formaldehyde. The note does not give any — 
ca 
indi cations as to the: manner in which these bodies were proved. ran ae req ab: 
¢: 
=4 
oi of Elemi. On the occasion of an experiment to produce elemicin frome 
Manila elemi oil (diso 0.9096; @p +- 35° 43’), we obtained, in place of the liquid elemicin, 
2 “traction which became solid and from which, when cooled with a little alcohol fol 
lov wed by light petroleum, we obtained a body of the m. p. 51 to 52°. The elemi used fOr 
> purpose | was the usual commercial quality obtained from Hamburg. An enquiry — 
_ the importing firm elicited the information that the gum had been collected in : 
t isl way in the Philippine Islands, but that no particulars could be given as 
regards botanical origin. According ‘to R.F. Bacon*) only Canariwm luzonicum, (Miq.) aes 
A. Gray need be considered as mother-plant of Manila elemi. The many other Canariwm 
cies supply either a different kind of gum or else such small quantities of elemi- 
ae Chem, Zentral. 1910, I. 1539, = ; Journ. russ. phys. chem. Ges. 47 (1915), 1561; Chem. Zentralbl. 
, I. 227. ae y) ‘Philippine Journ. of Sc. 4 (1909), A, 93. 
pata . ’ oy 2* 
ree = e- 
SR ep Cae 
"hie WLR ot, a 
