Outlines and designs of foreheads, showing their wrinkles and contours. Drawing, c. 1794.

The top eight drawings show various configurations of wrinkles on foreheads. Lavater reminds us in the text accompanying the published engraving of his principle of 'homogeneity': each feature expresses the form of the whole. The outlines of foreheads are repetitions from volume II,i., p. 236 (see frame no. 9401L); Lavater also repeats in the text his assertion that straight lines cannot be found in nature. All the lines here show impossible foreheads; the drawing of the head in the centre is intended to show a real profile