Africa, alum and other minerals in a cavern in Southern, xxviii, 290.
—, white race of Atlas in, xxxii, 400.
—, Journey in Northern, by Ehrenberg and Hemprich, vii, 195.
—, Northern, geological notices of, iv, 32.
—, geology of desert between Suez and Cairo, xxxiii, 288.
—, geology of Cape of Good Hope, G. Champion, xxix, 230.
African Cold Bokkeveld meteorite, notice of, xl, 199.
— dialects, J. W. Gibbs, xxxviii, 41; xxxix, 255.
Afzelius, obituary notice of, xxxiii, 211.
Agardh's Systema Algarum, announced, ii, 363; iv, 200.