https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13998442Edit ImageSaveSaveEditCropCustom TextOn the various contrivances by which British and foreign orchids are fertilised by insects : and on the good effects of intercrossing / by Charles Darwin.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 811 x 1200 px | 300 dpiLarge JPEG 2366 x 3500 px | 300 dpiBest Quality JPEG 4496 x 6650 px | 300 dpiFree DownloadOn the various contrivances by which British and foreign orchids are fertilised by insects : and on the good effects of intercrossing / by Charles Darwin.More