. Odontornithes: a monograph on the extinct toothed birds of North America; with thirty-four plates and forty woodcuts . w r V HESPERORNIS REGALIS , Marsh. ya PLATE XXI. PLATE XXI. ODONTOENITHES. Skull, Lower Jaw, and Teeth of Ichthtornis dispar. Marsh. All Figures twice Natural Size, except 2a and 25. Page. Fig. 1.—Skull; lateral view, seen from the left, restored in part from skull of a Tern, (Sterna regia Gambel), --- 120 bo—Occipital condyle. la—Portion of maxillary, inferior view. lb—Superior view. Fig. 2.—Rig-lit lower jaw; inner view, 123 t —Teeth in position. e —Suture between splenial
. Odontornithes: a monograph on the extinct toothed birds of North America; with thirty-four plates and forty woodcuts . w r V HESPERORNIS REGALIS , Marsh. ya PLATE XXI. PLATE XXI. ODONTOENITHES. Skull, Lower Jaw, and Teeth of Ichthtornis dispar. Marsh. All Figures twice Natural Size, except 2a and 25. Page. Fig. 1.—Skull; lateral view, seen from the left, restored in part from skull of a Tern, (Sterna regia Gambel), --- 120 bo—Occipital condyle. la—Portion of maxillary, inferior view. lb—Superior view. Fig. 2.—Rig-lit lower jaw; inner view, 123 t —Teeth in position. e —Suture between splenial and angular bones. 2a—Tooth from lower jaw; lateral view, magnified eight diameters. 2b—Anterior view, magnified eight diameters. Fig. 3.—Right lower jaw; superior view, showing distinct sockets for the teeth, 123 a —Socket for second tooth. Fig. 4.—Right lower jaw; reversed, showing exterior surface, 123 PLATE y- d i iigpyil , lith. nave: ICHTHYORNIS DISPAR, Marsh. PLATE XXII. PLATE XXII. ODONTOEOTTHES. Vertebrae and Sacrum of Ichthyobnis dispar Marsh. All Figures twice Natural Size. Page. Fig. 1.—Cervical vertebra; from behind the middle of the series, lateral view, seen from the left, 132la—Superior —Anterior view,lc —Inferior —Posterior view. Fig. 2.—Posterior cervical vertebra; lateral view, seen from the left, .. 134. 2a—Superior —Anterior —Inferior —Posterior view. Fig. 3.—Dorsal vertebra; lateral view, seen from the left, - 136 3a—Superior —Anterior —Inferior —Posterior view. Fig. 4.—Dorsal vertebra; lateral view, seen from the left, 140 4a—Superior —Anterior —Inferior *—Posterior view. Fig. 5.—Sacrum; superior view, . 161 Fig. 6.—Sacrum; lateral view, seen from the left, igi 6a—Anterior —Posterior view. Fig. 7.—Sacrum: inferior vi
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Keywords: ., bookcentury1800, bookdecade1880, bookpub, booksubjectpaleontology
