. Anthropoid apes. Apes. ANATOMICAL STEUCTUEE OF ANTHEOPOID APES. 151 like those of men, except in a few unimportant parti- culars (comp. Figs. 48 and 50). I have not observed in anthropoids the muscular fibres which in man branch out from the orbicular muscle of the eye, and overlap the cheeks and temples, and which are considerably developed in the head of a Monjalo negro which was dissected by me (Fig. 49,3, s'" In 1716. Fig. 48.—Muscles of the head and face of a European. 1, 1', Occipito-frontalis. 2, 3, Orbicularis palpebrarum, 4, Pyramidalis nasi. 5, Levator labii superioris alteque
. Anthropoid apes. Apes. ANATOMICAL STEUCTUEE OF ANTHEOPOID APES. 151 like those of men, except in a few unimportant parti- culars (comp. Figs. 48 and 50). I have not observed in anthropoids the muscular fibres which in man branch out from the orbicular muscle of the eye, and overlap the cheeks and temples, and which are considerably developed in the head of a Monjalo negro which was dissected by me (Fig. 49,3, s'" In 1716. Fig. 48.—Muscles of the head and face of a European. 1, 1', Occipito-frontalis. 2, 3, Orbicularis palpebrarum, 4, Pyramidalis nasi. 5, Levator labii superioris alteque nasi. 6, Compressor naris. 7, Levator labii superioris. 7', Zygomaticua minor. 8, Levator angull oris. 8', Zygomaticus major. 9, Orbicularis oris. 9', Levator menti. 9", Depressor labii inferioris. 10, Depressor anguli oris. 11, Masseter. 12, 13, Rieoriua and the buccinator by which it is covered. 15, Trapezius. 16, Attrahens. IV, 19, Attollens. 20, Retrahens aurem. 21, Sterno-mastoid. 22, Splenius. A. Tendinous aponeurosis. C. Malar bone (the parotis is removed). F. Skin of neck. apes that portion of the orbicular muscle which covers the supra-orbital ridge is very marked, There is generally a considerable layer of muscle on the nose and upper lip. I have dissected it in detail in anthropoid and other apes, including those. 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 Hartmann, Robert, 1832-1893. New York, D. Appleton and Co.
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