https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13960680Edit ImageSaveSaveEditCropCustom TextThirteen flies (Sylvicolæ species). Coloured etching by M. Harris, ca. 1766.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 953 x 1200 px | 300 dpiLarge JPEG 1663 x 2094 px | 300 dpiFree DownloadThirteen flies (Sylvicolæ species). Coloured etching by M. Harris, ca. 1766.More