. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 468 Bulletin Museum of Comparative Zoology, Vol. 147, No. 11 Processus earis ygoidei. Pterygoid^- process of <- jugal 7 / Pterygoid process of postorbital Crista supraoccipitolis Figure 4. Dorsal view of the skull of C. siebenrocki (AMS 40696). The labelled terms include new terms introduced in this paper and defined in Appendix I. Chelodina expansa, Figs. 1, 9). The neck is long and thick (Figs. 1, 9). Coloration is uniform dark brown to black on all dorsal surfaces, uniform yellowish white to tan on all ventral s
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 468 Bulletin Museum of Comparative Zoology, Vol. 147, No. 11 Processus earis ygoidei. Pterygoid^- process of <- jugal 7 / Pterygoid process of postorbital Crista supraoccipitolis Figure 4. Dorsal view of the skull of C. siebenrocki (AMS 40696). The labelled terms include new terms introduced in this paper and defined in Appendix I. Chelodina expansa, Figs. 1, 9). The neck is long and thick (Figs. 1, 9). Coloration is uniform dark brown to black on all dorsal surfaces, uniform yellowish white to tan on all ventral surfaces. The carapace lacks neural bones (Fig. 2). The skull is similar to C. oblonga, but the vomer does not usually separate the palatines (Fig. 5). The prefrontal spine is relatively prominent (Fig. 6). The hyoid has a clearly defined crista ventral is hyoideus (Fig. 8). EXTERNAL CHARACTERS Head, neck and limbs. Head flat, broad and elongate, covered on dorsal surface with fine reticulate pattern of skin creases giving the impression of numerous, small, irregularly-shaped scales. Creases absent from tympanum, maxilla, mandible, nasal region and a triangular area along the mid- line posterior to the orbits (Figs. 1, 9). Chin barbels present, variable in number; often four or more. Neck long and thick; approximately 75. 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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