Of course the longer this solution
is kept the more lead sulphate it deposits. It sells in St. Petersburg
at 8s. per bottle. It is also stated to be much more powerful if used
in conjunction with the _Pommade Miranda Rigaud_. This beats Mrs.
Allen completely out of the field.--_Pharmaceutische Zeitschrift fuer
Russland_.
* * * * *
ON THE MYDRIATIC ALKALOIDS.
By ALBERT LADENBURG.
We translate the following important article, says the _Chemists'
Journal_, from the _Moniteur Scientifique_ of last month. It may be
explained for the sake of our student readers that the word _mydriatic_
is derived from the Greek _mudriasis_, which means paralysis of the
pupil.
The synthetical researches which I have undertaken with a view to
explain the constitution of atropine have shown me the necessity of
studying the connection of atropine with the other alkaloids, which have
an analogous physiological action. According to the early researches we
could not discover any of these relationships which only become evident
when we come to study the new discoveries which have been made in
connection with the tropines, to which class belong both duboisine
and hyoscyamine, which, although differing from atropine, are equally
mydriatic in their action.
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