. Carnegie Institution of Washington publication. SYSTEMATIC REVISION 19 Measurements—Continued. "No. I, dorsal vertebra of the smaller individual—Continued. Vertical extent of extremity of diapophysis Diameter of centrum: Anteroposterior -026 Transverse 027 Width between inferior extremities of tubercular facets of diapophyses . . .066 Width between extremities of zygapophyses 082 Length between extremities of zygapophyses 042 "No. 2, a larger individual. "Total elevation ... .130 Diameter of centrum: Anteroposterior 029 Transverse °43 Vertical 039 Extent of zygapophyses


. Carnegie Institution of Washington publication. SYSTEMATIC REVISION 19 Measurements—Continued. "No. I, dorsal vertebra of the smaller individual—Continued. Vertical extent of extremity of diapophysis Diameter of centrum: Anteroposterior -026 Transverse 027 Width between inferior extremities of tubercular facets of diapophyses . . .066 Width between extremities of zygapophyses 082 Length between extremities of zygapophyses 042 "No. 2, a larger individual. "Total elevation ... .130 Diameter of centrum: Anteroposterior 029 Transverse °43 Vertical 039 Extent of zygapophyses 102 Elevation of neural spine 026" Diadectes latibuccatus Cope. Diadectes Cope, Proc. Am. Phil. Soc, vol. xvn, 1878, p. 505. Empedocles Cope, Am. Nat., vol. XIV, 1880, p. 304. Empedtas Cope, Proc. Am. Phil. Soc., vol. xx, 1883, p. 634. Empedias Cope, Proc. Am. Phil. Soc., vol. xxxiv, 1896, p. 442. Diadectes Cope, Proc. Am. Phil. Soc., vol. xxxv, 1896, p. 131. Type: A fragmentary maxillary bone. No. 4377 Am. Mus. Nat. Hist. Cope Coll. From Texas. Original description: "On comparison with the corresponding portion of the jaw of D. sideropelicus, the following characteristic marks appear: The tooth line diverges much more strongly inwards from the maxillary border in the D. latibuccatus, leaving a wide groove between the two. This groove is separated by a narrow horizontal partition from a corresponding one on the superior face of the same element, and its surface is AL—""11^1^^*^ longitudinally roughened. The teeth are closely placed, and the series turns with the anterior extremity of the V^#;\#;>raC^jK-^jfi jaw, abruptly inwards. The transverse diameter of the )VmV Ky teeth lessens to just posterior to the point of curvature, so that their section is nearly round; at and anterior to the curve, the wide transverse diameter is resumed, the Fig. 2— Anterior half of right maxillary ill J 1 • 1 f -O :*U of D. latibuccatus. X $. last alveolus preserv


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