. Cave vertebrates of America; a study in degenerative evolution. Cave animals; Heteropygii. *v. B. D Photographs of the tactile organs of Amblyopsis and Chologaster. A. Head of Amblyopsis from above, showing tactile ridges. B. Same head from side. Tactile organs especially numerous about mouth. C. Head of Chologaster papilliferus, from above, under slightly greater magnification than A. D. Same head, from side, especially showing tactile organs about Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration

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. Cave vertebrates of America; a study in degenerative evolution. Cave animals; Heteropygii. *v. B. D Photographs of the tactile organs of Amblyopsis and Chologaster. A. Head of Amblyopsis from above, showing tactile ridges. B. Same head from side. Tactile organs especially numerous about mouth. C. Head of Chologaster papilliferus, from above, under slightly greater magnification than A. D. Same head, from side, especially showing tactile organs about 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