Prague, statistics of, ix, 184.

Prairies, origin of, R. W. Wells, i, 331.

—, — and extension of, R. Nutt, xxiii, 40.

— of the West, C. Atwater, i, 116.

— and barrens of the West, A. Bourne, ii, 30.

— of Alabama, W. W. McGuire, xxiv, 187; xxvi, 93.

— formation of Opelousas an Attakapas, W. M. Carpenter, xxxv, 344.

—, observations on, G. Jones, xxxiii, 226;

–dry prairies, 226;

comparison with Holland, 228.