—, chlorovinous, xxii, 142.
—, citric, from gooseberries, xvi, 385.
—, citricic, S. Baup, xxxiv, 206.
—, columbic, A. A. Hayes, xlvi, 166.
—, crenic, J. Berzelius, xxviii, 121.
—, cyanic, xvi, 258.
—, formic, see [formic acid].
—, gallic, new process for, E. N. Kent, xlvi, 78.
—, hydriodic, preparation of, xvi, 383; xlvii, 192.
—, hydrobromic, xlvii, 192.