. Bulletin. Natural history; Natuurlijke historie. 94 PEABODY MUSEUM OF NATURAL HISTORY frontals are rectangular in form. The length of the frontals is noticeably greater than the width. They meet in a well-marked medial suture, which extends unbroken between the nasals. The general appearance of the frontals is flat, with a gentle arching toward the center; and their considerable breadth gives a trans- versely-expanded effect to this part of the skull. The nasals are long and overhang the narial openings. The slope from the anterior edge of the frontals to the supero-anterior edge of the nasa
. Bulletin. Natural history; Natuurlijke historie. 94 PEABODY MUSEUM OF NATURAL HISTORY frontals are rectangular in form. The length of the frontals is noticeably greater than the width. They meet in a well-marked medial suture, which extends unbroken between the nasals. The general appearance of the frontals is flat, with a gentle arching toward the center; and their considerable breadth gives a trans- versely-expanded effect to this part of the skull. The nasals are long and overhang the narial openings. The slope from the anterior edge of the frontals to the supero-anterior edge of the nasals is gradual. The nasals are thick and stout at their junction with the frontals but gradually become thinner in an anterior direction and, at the anterior external edge, are less than 2 mm. in thickness but are. Fig. 19. Miodelphis californicus ('mdividual 2), lateral view, x 2/5. For explanation of lettering, see Fig. 1. somewhat heavier on the medial edge. Both nasals are cracked near the base, the right having been somewhat displaced in an anterior direction. The left one is in place. The mesethmoid extends under the projection of the nasals. It is much less robust than in the Acrodelphis species described above. The supra- occipital rounds off gradually from its apex and is smooth and regular in the part that is preserved, except on the exterior edges, where there are small semi-lateral ridges for muscle attachment. A groove begins 23 mm. behind the low lambdoidal crest and. 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 Peabody Museum of Natural History. New Haven : The Museum
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Keywords: ., bookcentury1900, bookcollectionbiodiv, booksubjectnaturalhistory
