. Carnegie Institution of Washington publication. DETLEFSEN. Photograph^ of AIaj^h SKUi-LS l^â i'ARiiNi bPECibS AiNu Hvbrh^.s. 10. r?*/, original wild male ancestor of all 12. S'lO, one-half wild hybrid. wild and hybrid animals in 13. J^/J/, one-quarter wild hybrid. these experiments. ^^ ^^06, one-eighth wild hybrid. U. c5<?(5, male guinea-pig. NOTE. These and all other productions of skulls and bones are natural size, and as near the calculated averages as Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability -


. Carnegie Institution of Washington publication. DETLEFSEN. Photograph^ of AIaj^h SKUi-LS l^â i'ARiiNi bPECibS AiNu Hvbrh^.s. 10. r?*/, original wild male ancestor of all 12. S'lO, one-half wild hybrid. wild and hybrid animals in 13. J^/J/, one-quarter wild hybrid. these experiments. ^^ ^^06, one-eighth wild hybrid. U. c5<?(5, male guinea-pig. NOTE. These and all other productions of skulls and bones are natural size, and as near the calculated averages as Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington


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Keywords: ., bookauthorcarnegie, bookcentury1900, bookdecade1910, bookyear1914