1. Scrope , op. cit. (72), p. 465.
2. Sketch of the geology of Sicily;Daubeny;Edinburgh philosophical journal,1825
3. Lyell , op. cit. (9), iii. 45–61.
4. On the diluvial theory, and on the origin of the valleys of. Auvergne;Daubeny;Edinburgh new philosophical journal,1831