The natural history of South Devon, Plymouth, Printed and published by Jenkin Thomas, 1839, Devon, Devon, England, England, Natural History, A scientific illustration featuring a series of fossilized shells arranged in a grid format. The first shell, positioned at the top left, showcases a rugged, elongated shape with a textured surface. Adjacent to it, the second illustration depicts a cracked fossil displaying a distinct outline of a shell. The third image reveals another shell with intricate detail and curvature, highlighted by its ridges. Below these, the fourth shell presents a smooth and rounded form, emphasizing its conical shape. Each shell is labeled numerically, suggesting a systematic study of these paleontological specimens, indicative of the natural history and diversity of marine life in ancient environments.