Address Delivered at the Anniversary Meeting of the Geological Society of London on the 17Th February, 1843; Prefaced by the Announcement of the Award of Two Wollaston Medals and the Donation Fund for the Same Year, Etc

Address Delivered at the Anniversary Meeting of the Geological Society of London on the 17Th February, 1843; Prefaced by the Announcement of the Award of Two Wollaston Medals and the Donation Fund for the Same Year, Etc