(1854). Address delivered at the anniversary meeting of the Geological Society of London, on the 17th of February, 1854: Prefaced by the announcement of the award of the Wollaston Palladium-Medal and proceeds of the donation fund for the same year. printed by Taylor and Francis.

Address Delivered at the Anniversary Meeting of the Geological Society of London, on the 17th of February, 1854: Prefaced by the Announcement of the Award of the Wollaston Palladium-Medal and Proceeds of the Donation Fund for the Same Year. printed by Taylor and Francis, 1854.