Fig. 1
From: The Origin Manuscripts at the “The Darwin Manuscripts Project”
Image of Origin manuscript page 204, call number RF-18-H, Research Library, American Museum of Natural History. Image WWW address: http://darwin.amnh.org/image_viewer.php?eid=72891. Rectangles indicate the location of the excerpts shown below. The larger rectangle at the top is shown in detail in Fig. 2; the smaller rectangle at the bottom is shown detail in Fig. 3. See text for details