The head of a frog, in the fourth stage of a physiognomic metamorphosis into an ideal head of Apollo. Coloured drawing by J.C. Lavater, 179-.

1 drawing : pencil, with watercolour ; image 7.8 x 6.7 cm

Bears number in Lavater's hand: 4

Baur (op. cit.) suggests that the design (including 24 stages in its full version), which is a reworking of a series of 12 frontal physiognomies in the 1778 publication of the 'Fragmente', is much influenced by Petrus Camper's similar designs made in the intervening years

Otto Baur, Bestiarium humanum, Munich 1974, pp. 56-7

Wellcome Collection 34713i

One in seven works in this series in the Wellcome Library