Twelve stages in the sequence from the head of a primitive man to the head of the Apollo Belvedere. Coloured etchings by Christian von Mechel after Lavater, 1797.

Executé et publié à Basle : Chr: von Mechel, 1797.

1 print : etching and aquatint, with watercolour ; image 36.6 x 22.5 cm

Gradation de la tête de grenouille jusqu'au profil d'Apollon. Executé ... par Chr: de Mechel en 1797 d'après les idées du célèbre Lavater.

Stephen Feeke and Jon Wood, Against nature: the hybrid forms of modern sculpture, Leeds: Henry Moore Institute, 2008, reproduced (unnumbered page)

William Schupbach, 'Apollo and the Aztecs', Wellcome Library blog, 27 June 2016, https://wayback.archive-it.org/16107/20210312221809/http://blog.wellcomelibrary.org/2016/06/apollo-and-the-aztecs/

Accompanied by another print (this catalogue number 47555i), which initiates the series by showing twelve stages from the frog (1) to primitive man (12)

Wellcome Collection 47556i