Geological Observations on South America

pubOne.info thank you for your continued support and wish to present you this new edition. Of the remarkable «trilogy» constituted by Darwin's writings which deal with the geology of the «Beagle,» the member which has perhaps attracted least attention, up to the present time is that which treats of the geology of South America. The actual writing of this book appears to have occupied Darwin a shorter period than either of the other volumes of the series; his diary records that the wo