The Foundations Of The Origin Of Species Two Essays Written In
Chapter 2
§§ iv. and v. On the evidence from Geology. (The reasons for combining the two sections are given in the Introduction) 22
§ vi. Geographical distribution 29
§ vii. Affinities and classification 35
§ viii. Unity of type in the great classes 38
§ ix. Abortive organs 45
§ x. Recapitulation and conclusion 48
ESSAY OF 1844