![Darwin, C. R. 1970. [Recollection of and letters to de Vries]. In Peter W. van der Pas. The correspondence of Hugo de Vries and Charles Darwin. Janus 57: 173-213. Darwin, C. R. 1970. [Recollection of and letters to de Vries]. In Peter W. van der Pas. The correspondence of Hugo de Vries and Charles Darwin. Janus 57: 173-213.](http://darwin-online.org.uk/converted/published/1970_Vries_F2106_fig007.jpg)
Darwin, C. R. 1970. [Recollection of and letters to de Vries]. In Peter W. van der Pas. The correspondence of Hugo de Vries and Charles Darwin. Janus 57: 173-213.
BBS 1 Uelzen erneut national für Nachhaltigkeit ausgezeichnet Digitalisierung in der beruflichen Bildung gestalten Delegiertenv
![Darwin, C. R. 1970. [Recollection of and letters to de Vries]. In Peter W. van der Pas. The correspondence of Hugo de Vries and Charles Darwin. Janus 57: 173-213. Darwin, C. R. 1970. [Recollection of and letters to de Vries]. In Peter W. van der Pas. The correspondence of Hugo de Vries and Charles Darwin. Janus 57: 173-213.](http://darwin-online.org.uk/converted/published/1970_Vries_F2106_fig008.jpg)