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Keywords: Descent of Man Appleton 1875 Fig 030.jpg en The Descent of Man Scan of Fig 30 Xiphophorus Hellerii Upper figure male; lower figure female 1875 http //www archive org/details/descentofmansele00indarw Charles Darwin other versions Custom license marker 2015 06 06 PD-old-100-1923 1882 Uploaded with UploadWizard The Descent of Man and Selection in Relation to Sex Xiphophorus hellerii |