 |
| Previous Image | Next Image |
| Description: Two woodcuts from Darwin’s 1872 book, The Expression of Emotions in Man and Animals, that he used to illustrate the principle of antithesis. The aggressive posture of dogs features ears forward, back up, hair up, and tail up; the submissive posture features ears back, back down, hair down, and tail down.
Picture Stats: Views: 320 Filesize: 222.91kB Height: 845 Width: 543 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=30416 |