Geol. Soc. Proc., vol. ii., 1838, pp. 654-660;
Geol. Soc. Trans., vol. v., 1840, pp. 601-632;
Poggendorff, Annal. Bd. lii., 1841, pp. 484-496.
Monographia Chalciditum, by Francis Walker. (Vol. ii., Species collected by C. Darwin.) London, 1839, 8vo.
Note on a rock seen on an iceberg in 16° South Latitude.
Geog. Soc. Jour., vol. ix., 1839, pp. 528, 529.
Ueber die Luftschifferei der Spinnen.
Froriep, N. Not. Bd. lxxvii., No. 222, 1839, pp. 23, 24.
Observations on the Parallel Roads of Glen Roy, and of other parts of Lochaber in Scotland, with an attempt to prove that they are of marine origin.
Phil. Trans., 1839, pp. 39-82;
Edinb. New Phil. Jour., vol. xxvii., 1839, pp. 395-403.
On a remarkable bar of Sandstone off Pernambuco, on the coast of Brazil.
Phil. Mag., vol. xix., 1841, pp. 257-260.