I
TRAVELS IN NORTH AMERICA,—1841-2. With Geological Observations on the United States, Canada, and Nova Scotia. With large coloured geological Map and Plates. 2 vols. post 8vo. 21s.
II
A SECOND VISIT TO THE UNITED STATES,—1845-6. Second Edition. 2 vols. post 8vo. 18s.
III
Principles of geology; or the Modern Changes of the Earth and its Inhabitants considered, as illustrative of Geology. Eighth Edition, thoroughly revised. With Maps, Plates, and Woodcuts. 8vo. 18s.