. Réssler). on _cherry-laurel water has been discussed. In continuation thereof, 
1 1€ ‘results pens as follows: RRS Sy eee total gay RRO 7 _ proportion of free 
¥ iY . , 
z athe sae hydrocyanic. acid _—_ acid in the total 
at ep eye : Be beeen ee ie Mow Fe Sob | hydrocyanic acid. 
“1917 Pane isp ee hs oe POR? O12 Fe ay Mis Oxo 
1917 July after a rainy period sO Bb O38 6151560 
Bhiot Agee ogee 040g". ent BiG 
=i0t?e-September:. 2° 3 3 0:90: OG ey Le a6! 
Beer tone (Octobe: © 4 ie hn O02, OS ee 
ip peae Aor 0 06R OY 0.106. Aa. 
in d to adjust with the weaker second running. 
Be AS regards the preparation of benzaldeliydeinydiocyanide used for ae weak 
lates, it succeeds best as follows: — - Poel NE 
vas found to be 1: AA, After 4 weeks, it was 1:6, the same as in natural cherry- 
t el water. A- dilution thereof with the prescribed proportion of alcohol and . | 
aining {00 of ‘hydrocyanic acid. was completely | clear and colourless and | 
vered ae picapurement of the eee 
a! lued at 39928 rupees, compared with 10129 ozs., valued at 0857 rupees, in the year 1914. 
was” principally sent to the Straits Settlements, the United States and France, as is 
hows mn by the following figures: — 1914. 914 1917 1917 
es; POZE AL:  SRENCES os ie OLS. Rupees 
Straits Settlements. . . 7546 3620 35028 2.050 
United States. . . .) a #1000 5. ThOO", 30660 17580 
RD CMR OLE EDEL EM en — 10350 17600 
\etir Britain 3) el 1083 | 1137 $00) 53.150 
Arch. ‘der Pharm. 255 (917), 151. slg A Thidem 257 910), et 6 Perfum.- Record 9 (1918), 304, 
vas age 
Big Me » Pe ei iil ele Ae 
eS eberry.taurel Oil. On page 43 af our. Raper of Octaber 1917, a treatise by” 
P: Ricci. of the same tree. were used for, the “experiments in ‘either case. From 
x 1 ko. of leaves, 1 ko. of distillate was s prepared in the manner described in the article, rs 
| In April 1918, eos srain the previous year were used whic had romances on 
the tree. In agreement with Unnay’s indications, it resulted that the old leaves in | 
autumn or spring yield considerably less" hydrocyanic acid than the young ones during 
summer months. The proportion of free acid in the total contents decreases “with <75. ae 
the age of the leaves. Leaves distilled between June and September always yield _ eh: 
a product answering the ‘requirements of the pharmacopezia. In order to secure the 
escribed content, ‘it is necessary to collect first | = ko. of the stone fest dues 5 
“a The crushed fruits yield a very aromatic distillate with only 0.243 Ooo of mvifocyarit Acid Aas 
* _Hydrocyanic acid is developed in the usual way from a _ mixture of St accati: ee 
ee ere sanie and sulphuric acid and distilled ‘into a receiver containing dilute — ; 
alcohol. A corresponding quantity of benzaldehyde is added, after which there is 
nc clear ‘solution, part of the benzaldehyde depositing. After 3 days, however, the hie 3° ¢ 
sol ition is clear. In one “experiment the proportion of free acid in the total quantity 
q Cinnamon Oil, Cesiaus Ceylon’ s exports of cinnamon fail 8) i in 1917 were 78438 OZS., 
