. Cave vertebrates of America; a study in degenerative evolution. Cave animals; Heteropygii. X. B Eye of an old Lucifuga, 94 mm. long. A. Left eye-socket with contained eye and pigment-mass at its left. X 60. B Part of same section, X 375, showing fibrillar network about eye. Eye a nodule of cells in which distinction can only be made between pigment and retina. Part of pigment mass at extreme left. (For right eye see plate 14 U).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illu


. Cave vertebrates of America; a study in degenerative evolution. Cave animals; Heteropygii. X. B Eye of an old Lucifuga, 94 mm. long. A. Left eye-socket with contained eye and pigment-mass at its left. X 60. B Part of same section, X 375, showing fibrillar network about eye. Eye a nodule of cells in which distinction can only be made between pigment and retina. Part of pigment mass at extreme left. (For right eye see plate 14 U).. 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 Eigenmann, Carl H. , 1863-1927. Washington, D. C. , Carnegie Institution of Washington


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Keywords: ., bookauthoreigenmanncarlh1863192, bookcentury1900, bookdecade1900