The Foundations of the Origin of Species Two Essays written in 1842 and 1844
CHAPTER IX 231-238
ABORTIVE OR RUDIMENTARY ORGANS.
The abortive organs of Naturalists The abortive organs of Physiologists Abortion from gradual disuse
The Foundations of the Origin of Species Two Essays written in 1842 and 1844
ABORTIVE OR RUDIMENTARY ORGANS.
The abortive organs of Naturalists The abortive organs of Physiologists Abortion from gradual disuse