To the medical philosopher Geology presents peculiar attractions for those hours of leisure and relaxation, which are indispensable to maintain a healthy state of mind; for it requires the cultivation and application of Chemistry, Botany, Comparative Anatomy, Zoology, and Physiology, sciences which form the very foundation of medical knowledge.

The Wonders of Geology; or, A Familiar Exposition of Geological, Phenomena, Address to the Reader (p. xxii)