INTRODUCTION.

Remarks on the Estimation in which Natural History is held at the present Day, and on its Importance—Men are more conversant with Nature in uncivilized Life—The original State of Man, and his progressive Acquisition of Knowledge—General View of the Objects of Natural History: the Earth's Surface and Structure, the Ocean, the Atmosphere, Plants, and Animals—Definition of Mineralogy, Botany, and Zoology—Sketch of the Progress of Zoology: four Eras distinguished, as marked by the Names of Aristotle, Pliny, Linnæus, and Cuvier, [17]