Copy this HTML code to share this image on your website:

Format Landscape Portrait Square
Color Black White
Width px

The occurrence of successive forms of life upon our globe is an historical fact, which cannot be disputed; and the relation of these successive forms, as stages of evolution of the same type, is established in various cases.
 Thomas Henry HuxleyThe Advance of Science in the Last Half-Century (1887). copy citation

Meaning and analysis

write a note