An idea of an artificial arrangement of fossils, according to unalterable characters, and superadded qualities : also of a natural method, according to their ascent towards their greatest perfection / By Sir John Hill.

Licence: Public Domain Mark

Credit: An idea of an artificial arrangement of fossils, according to unalterable characters, and superadded qualities : also of a natural method, according to their ascent towards their greatest perfection / By Sir John Hill. Source: Wellcome Collection.