PROOFS OF THE PROPERTIES OF GLUCINE.

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On adding the same re-agent to nitrate of alumine a very co-pious white precipitate will be produced.

Experiment III.

Into a solution of nitrate of glucine let fall a solution of tar-trite of potash, no change will be perceived.'

On adding the same solution to nitrate of alumine, a flaky de-posit will immediately be formed, and the super-natant fluid willbe colourless.

Experiment IV.

On mixing a solution of nitrate of glucine with prussiate ofpotash, no change takes place.

On adding the same test to a solution of nitrate of alumine,a very copious white precipitate is obtained which becomesgreenish at the end of some hours.

These experiments are sufficient to prove that glucine pos-sesses peculiar properties, and that it is a distinct earth.

It is not yet known to what purposes glucine may be ap-plied. If it should be discovered more abundantly hereafter, incombinations from which it can be easily separated, it may per-haps be employed for a variety of useful purposes in the arts, inchemistry, or medicine. The saccharine and slightly astringenttaste of its saline combinations gives us reason to think that itpossesses some salutary property, beneficial to animal economy.

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