Essay on the Trees and Shrubs of the Ancients: Being the Substance of Four Lectures Delivered Before the University of Oxford, Intended to Be Supplementary to Those on Roman Husbandry, Already Published

A Description of Active and Extinct Volcanos, of Earthquakes, and of Thermal Springs: With Remarks on the Causes of These Phµnomena, the Character of Their Respective Products, and Their Influence on the Past and Present Condition of the Globe

An Introduction to the Atomic Theory

Narrative of an Excursion to the Lake Amsanctus and to Mount Vultur in Apulia in 1834

Remarks on the Final Causes of the Sexuality of Plants, with Particular Reference to Mr. Darwin's Work on the Origin of Species: Being the Substance of a Paper Read Before the Natural History Section of the British Association for the Advancement of