2. (Ph. L. 1851.) Merely placed in the materia medica.

3. (Ph. E. 1841.) Similar to that of Ph. L. 1836, except that the washed

citrate of lime is ordered to be squeezed in a powerful press, and that

the filtered solution of citric acid is ordered to be tested with nitrate

of baryta, and if the precipitate is not nearly all soluble in nitric

acid, to add a little citrate of lime to the whole liquor, till it stands

this test.