Agaric mineral in N. York, xxv, 347.
— —, in Vermont, iii, 234, 242.
Agassiz on fossil fishes, notice of, xxviii, 193; xxxiv, 212;
abstract of, xxx, 33.
—, on the freshwater fishes of Central Europe, xxxix, 390; xlv, 211.
—, on the echinodermata, noticed, xxxiv, 212; xxxvii, 369; xlii, 378; xlv, 399.
—, glaciers and bowlders in Switzerland, xli, 59, 190.
—, former existence of glaciers in Scotland, xli, 191.
—, glacial theory of, xlii, 346.f
—, visit of, to Mantell's Museum, xxviii, 194.