. Comparative anatomy of vertebrates. Anatomy, Comparative; Vertebrates. FIG. 225.—THE PINNA OF VAKIOUS PRIMATES. In A, the shaded portion (b) represents the zone of the auditory eminences of the embryo, the unshaded that of the later-formed auditory fold. B, Man, Baboon and Ox, drawn to the same scale and superposed : .s-', s", s, spina or tip of the ear. C, Macacus rhesus, with upwardly directed tip ; and D, Cerco- pithecus, with backwardly directed tip. E, Man : the muscles are indicated as follows — , attolens auricula?; ', antitragicus ; , tragicus ; ', inconstant muscle,
. Comparative anatomy of vertebrates. Anatomy, Comparative; Vertebrates. FIG. 225.—THE PINNA OF VAKIOUS PRIMATES. In A, the shaded portion (b) represents the zone of the auditory eminences of the embryo, the unshaded that of the later-formed auditory fold. B, Man, Baboon and Ox, drawn to the same scale and superposed : .s-', s", s, spina or tip of the ear. C, Macacus rhesus, with upwardly directed tip ; and D, Cerco- pithecus, with backwardly directed tip. E, Man : the muscles are indicated as follows — , attolens auricula?; ', antitragicus ; , tragicus ; ', inconstant muscle, extending from the tragicus to the margin of the helix ; ', helicis major; ;, helicis minor ; s, tip of the ear rolled over. A-D, after Schwalbe ; E, after Henle. the external meatus (here also continuous with one another) arise from a series of rounded eminences on the first and second visceral. 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 Wiedersheim, Robert, 1848-1923; Parker, W. N. (William Newton), d. 1923. London, Macmillan and co. , limited
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