. The Ceratopsia. Ceratopsia. Fig. 44.—Internal view of inferior teeth of type of Trieeratops flabellatus, as revealed by remov- ing internal wall of right dentary at anterior extremity of dental magazine, a, Unworn teeth; b, worn teeth. Natural Fig. 45.—A, Transverse section through root of incipient tooth of type of Trieeratops flabellatus; IS. transverse section through root ol a slightly older tooth of same; 0, transverse section of root after it has become completely bifurcated; D, transverse section through root of fully adult Please note that these images are extracted fr
. The Ceratopsia. Ceratopsia. Fig. 44.—Internal view of inferior teeth of type of Trieeratops flabellatus, as revealed by remov- ing internal wall of right dentary at anterior extremity of dental magazine, a, Unworn teeth; b, worn teeth. Natural Fig. 45.—A, Transverse section through root of incipient tooth of type of Trieeratops flabellatus; IS. transverse section through root ol a slightly older tooth of same; 0, transverse section of root after it has become completely bifurcated; D, transverse section through root of fully adult 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 Hatcher, J. B. (John Bell), 1861-1904; Lull, Richard Swann, 1867-1957; Osborn, Henry Fairfield, 1857-1935; Marsh, Othniel Charles, 1831-1899. Washington, Govt. Print. Off.
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