https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13983905Edit ImageSaveSaveEditCropCustom TextAnimal skull and jaw-bones: four figures. Lithograph by R. Ball , 1857.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 783 x 1200 px | 300 dpiLarge JPEG 1287 x 1972 px | 300 dpiFree DownloadAnimal skull and jaw-bones: four figures. Lithograph by R. Ball , 1857.More