Bebeerine is a vegetable alkaloid, discovered by Dr Rodie of Demerara, in the bark of the Bebeeru tree,Nectandra Rodiei, Schomburgk. The properties of the alkaloid and its application in the form of sulphate, in the treatment of disease, were formerly described by Dr Maclagan in a paper read before the Society, and published in their Transactions, vol. xv., part 3.