. The Ceratopsia. Ceratopsia. U. S. GEOLOGICAL SURVEY MONOGRAPH XLIX PL. V. COMPARATIVE VIEWS OF SUPRAORBITAL HORN 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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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherwashingtongovtprin