J.L. COMSTOCK. Elements of Geology, including Fossil Botany and Paleontology, New York: Pratt, Oakley, 1858.

Octavo, priority unknown here, pp. viii, 9-432, marbled boards half-bound in brown morocco with gilt lettering and rules to spine, extensive "lignograph" illustration. Intended for school and general readership, with credits to Lyell and Cuvier but not Darwin, who would publish The Origin of Species a year after this.