. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 1 p"art a^f^aaf. Figure 4. Mandibles of recent anguids in lingual view: A, Anguis (ragilis, MCZ 37174; B, Ophisaurus gracilis, MCZ 15836; C, Gerrhonotus (Baris/'aJ imbricafus imbricafus, MCZ 97400; D, Diploglossus barbouri, MCZ 7367a. Note that in formation of the anterior inferior alveolar mental foramen the dentary takes part in all except Diplog/ossus. All X 6. For abbreviations see p. 147. Skull: Teeth in most species of Ger- rhonotus recurved and somewhat pointed in anterior part of jaws, but becoming erect
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 1 p"art a^f^aaf. Figure 4. Mandibles of recent anguids in lingual view: A, Anguis (ragilis, MCZ 37174; B, Ophisaurus gracilis, MCZ 15836; C, Gerrhonotus (Baris/'aJ imbricafus imbricafus, MCZ 97400; D, Diploglossus barbouri, MCZ 7367a. Note that in formation of the anterior inferior alveolar mental foramen the dentary takes part in all except Diplog/ossus. All X 6. For abbreviations see p. 147. Skull: Teeth in most species of Ger- rhonotus recurved and somewhat pointed in anterior part of jaws, but becoming erect with chisel-shaped, laterally compressed crowns posteriad. Abronia has pointed, widely spaced teeth (but not to the extent observed in Anguis or in Ophisaurus harti). Pterygoids toothed in G. (Gerrhonotus) and rarely in G. (Barisia); pterygoids ro- bust with short palatine processes, closely approaching each other in G. liocephalus (Fig. 2a), widely separated in Abronia, and intermediate in G. (Barisia) and other G. (Gerrhonotus). No premaxillary foramina;. 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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