The burette, B, which is in direct connection with the
bottle, may be filled with the solution by opening the stop cock, and
the small drying tube, _n_, is filled with dry KOH, thus preventing
the entrance of any CO_{2}. Numbers are appended which seem to testify
to the excellence of the method employed. The author finally gives a
detailed account of the entire analysis of various cereals.--_A.R. in
Jour. Soc. Chem. Indus._
* * * * *
SYNTHESIS OF THE ALKALOIDS.
In the note on the constitution of alkaloids in a recent issue, we
referred more especially to what we may term the less highly organized
bases. Most of our knowledge, as we now have it, regarding such
alkaloids as muscarine and choline has been acquired during the past
dozen years. This is not exactly the case with the higher groups of
alkaloids--the derivatives of pyridine and quinoline. It so happens
that the oldest alkaloids are in these groups. They have, almost
necessarily, been subjected to a longer period of attack, but the
extreme complexity of their molecules, and the infinite number of
differing parts or substances into which these molecules split up when
attacked, are the main cause of the small progress which has been made
in this department.
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