. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. WATSON : BOLOSAURUS AND REPTILE CLASSIFICATION 333 verse section in the region of the pineal foramen. This shape is confirmed by an iindistorted, articulated clavicular arch belong- ing to one of the skulls. Anteriorly the prefrontals form a bulge over the lachrymal on the side of the face, which below it stands almost vertically. The occiput has been partially exposed and is well preserved in one of the new specimens, and is of extraordi- nary interest. The basi- and exoccipitals are not preserved, but the supraoccip
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. WATSON : BOLOSAURUS AND REPTILE CLASSIFICATION 333 verse section in the region of the pineal foramen. This shape is confirmed by an iindistorted, articulated clavicular arch belong- ing to one of the skulls. Anteriorly the prefrontals form a bulge over the lachrymal on the side of the face, which below it stands almost vertically. The occiput has been partially exposed and is well preserved in one of the new specimens, and is of extraordi- nary interest. The basi- and exoccipitals are not preserved, but the supraoccipital and the paroccipital are well exposed from the occipital surface, and are very remarkable indeed in structure. There is no real difficulty in making a tentative restoration of the basi- and exoccipital bones, which are indeed preserved in skulls still unprepared. The supraoccipital forms the upper half. ' , , Fig. 7a. Dorsal aspect of a series of Captorhinid skulls, in order of time. A little less than natural size. A, Protorothyris archeri Price, Moran Formation; B, 1963, Moran Formation; C, Romeria texana Price, Putnam Formation; B, 1478, Admiral Formation; E, Captorhinus sp., Clear Fork Formation. The originals of ^ — D are in the Museimi of Comparative Zoology, that of E, in Mr. Parrington 's collection. Eef erence letters: , dermosupraoccipital; , facet for dermosupraoccip- ital. , parietal lappet; , supratemporal; S. Tern., incision formerly occupied by a lost supratemporal; Tab., tabular; , a facet to which a tabular was probably 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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