On the Origin of Species · ¶1232
Teeth and hair: correlated, 144. embryonic, traces of, in birds, 451. rudimentary, in embryonic calf, 450, 480.Read in context ›
Charles Darwin · John Murray, London, 1859, first edition · Gutenberg #1228; original diagram from Darwin Online F373
Charles Darwin · John Murray, London, 1859, first edition · Gutenberg #1228; original diagram from Darwin Online F373
Passage preview. Read in context for the complete text, notes and references.