Submitted by PeterPavement on Wed, 04/26/2017 - 12:51
MS-DAR-00006-000-00103.jpg
http://cudl.lib.cam.ac.uk/view/MS-DAR-00006/103
Darwin's draft outline of Species Theory, sent to Asa Gray in 1857
CUL DAR 6: 51-56
Cambridge University Library
Darwin finishes an expanded sketch of his species theory, first drafted in 1842
July 1845
1845-07-15
