Keywords: Expression of the Emotions Figure 3.png Figure 3 from Charles Darwin's The Expression of the Emotions in Man and Animals showing human facial muscles see also figure 1 and 2 the latter also from Henle Caption reads FIG 3 Diagram from Henle Scanned from 1965 version with foreword by Konrad Lorenz published by University of Chicago Press 1858 Photograph by Friedrich Gustav Jakob Henle's book which I think is 'Handbuch der Systematischen Antomie des Menschen ' Band I Dritte Abtheilung 1858 http //books google co nz/books id kceg5w8J6f0C pg PP2 dq Handbuch+der+Systematischen+Antomie+des+Menschen Google Books see footnote on p 5 introduction Public domain PD-old Human faces in art Anatomical plates and drawings of muscles Face and neck muscles The Expression of the Emotions in Man and Animals 19th-century diagrams Orbicularis oculi muscles Procerus muscles |