. Comparative anatomy. Anatomy, Comparative. _ FRICTION ::»DIGITAL PADS. .^S^RIDGES ^TRIRADII TRIRADII. THENAR PAD HYPOTHENAR PAD HYPOTHENAR PAD A. INSECTIVORE B. MONKEY C MAN Fig. 126.—Friction ridge patterns in three mammals,—insectivore, monkey, and man. The presence of such useless and rudimentary concentrically arranged ridges in the human hand receives its only reasonable interpretation in the light of the evolution theory. (Redrawn after Wilder.) On the sides of the fingers, the friction ridges merge into rows of wart- like elevations. This has been interpreted as confirming the opinion


. Comparative anatomy. Anatomy, Comparative. _ FRICTION ::»DIGITAL PADS. .^S^RIDGES ^TRIRADII TRIRADII. THENAR PAD HYPOTHENAR PAD HYPOTHENAR PAD A. INSECTIVORE B. MONKEY C MAN Fig. 126.—Friction ridge patterns in three mammals,—insectivore, monkey, and man. The presence of such useless and rudimentary concentrically arranged ridges in the human hand receives its only reasonable interpretation in the light of the evolution theory. (Redrawn after Wilder.) On the sides of the fingers, the friction ridges merge into rows of wart- like elevations. This has been interpreted as confirming the opinion that the ridges are remnants of rows of horny scales. That the ancestors of the mammals were scaly is, however, supported by more convincing evidence than 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 Neal, Herbert V. (Herbert Vincent), 1869-1940; Rand, Herbert W. (Herbert Wilbur), 1872-1960. Philadelphia : P. Blakiston's Son


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Keywords: ., bookcentury1900, bookpublisherphi, booksubjectanatomycomparative