https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13985317Edit ImageSaveSaveEditCropCustom TextTwelve stages in the sequence from the head of a frog to the head of a primitive man. Coloured etchings by Christian von Mechel after J.C. Lavater, 1797.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 800 x 1200 px | 300 dpiLarge JPEG 2334 x 3500 px | 300 dpiBest Quality JPEG 2756 x 4132 px | 300 dpiFree DownloadTwelve stages in the sequence from the head of a frog to the head of a primitive man. Coloured etchings by Christian von Mechel after J.C. Lavater, 1797.More