=“ 
fae 
\ 
_ plugged, till after a given time, the collecting balsam isa 
felled trees. can also often be pallens with ee The trees | ate iy 
The demand for Oleeen balsam appears ato! increase. ‘The a re 
and amounts to g 1.75 to 1.80 per gallop (. Feb. A | 
many cases Oregon balsam, which is six times : cheaper than Canada 2 balsam, ean be 
used for the same purpose. Ch dak eae a te : 
too short, and ought at least to continue for three hours. There is no. ihe ee in 
viscosity between genuine and artificial balsam. According to Merrill, the cinnamein- 
of artificial balsam has a slignt optical rotation « a (fel?) == Ween ns vols. de cent. 
natural balsam, does not agree with our experience, for we cae always found asl j 
rotation to the right up to + 2°30’. Since our investigations een over decades 
hands, which indeed Merrill will not believe. His statement therefore must re ce rr 
spondingly altered2), unless indeed there is an error in the abstract. hey 
{ TP. 
. Sunnis. : 
Gikoe RSet tip eet iat cathe _ 0.9969 
EAH OS a RCE E ae gal Wasaees RDS eae te 9 
| NESE seas wane Laas aaa eae 1.51799 
Solubility in 50 per cent. alcohol sol. in 4 vol. and more, © rO 
from 6 vol. on cloudiness. ee | i. 
A comparison shows distinctly that it was no pure product, for the in 
so greatly from the normal that it could not be recognized as phe h 
its constants. The same may be said of its smell, which was absolut 
that of oon aun and reminded one held! of oil of rue or 
; 
