30 
d on a manufacturing scale. But the production of 2,191 pounds is 
sufficiently large to entitle it to be fairly considered as a manufacturing 
experiment. This enlarged experience of the working of the process 
only increases our confidence in it. It works without a single hitch ; 
the bark is entirely exhausted of the whole of its alkaloid; and the 
he 
history then submitted was, however, by an unfortunate inadvertence, 
inaccurate in so 
many years was Quinologist on the plantation. Mr. Wood has now 
again 
opportunity of bearing my testimony, not only to the excellence and 
ment Factory. Without Mr. Wood the process would not, have been 
invented, while without Mr. Gammie it would not have been successfully 
applied to manufacture." : 
* The chief cause of the extraordinarily low price which has for 
some time ruled for cinchona bark, and as a consequence for quinine 
and the other ciuchona alkaloids, is the immense exportation of bark 
which attacked the coffee tree, cinchona was largely substituted by the 
planters of that colony for the failing staple. And some idea of the 
ma i 
ported from Ceylon to London. During the y i 
on : g the year 1883-84 the quantit 
T to eleven millions, and the following year the quantity i not 
esame. During 1885-86 fifteen million pounds, and during 1886-87 
ls pado In 1887-88 the quantity fell 
ing the current year it is expected to show a 
further fall. The explanation of all this is simply dia. when einchona 
depreciation in quality, the Ceylon 
n an enormous fall in price, bark havi 
MEM in a more triumphant success than was ever anticipated. 
ut this state of affairs cannot last much longer, Ceylon planters will 
