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THE OSTEOLOGY OF THE REPTILES
which all of these names have been given by different authors.
Fig. 53. Parapsid, etc., skulls: A, B, Mycterosaurus (Theromorpha), from the side and from above. Natural size. C, Araeoscelis (Protorosauria), from above. Natural size. D, Pleurosaurus (Protorosauria), from above. One half natural size. E, Sauranodon (Protorosauria), from above. Natural size.
The more general opinion is that the posterior one of the Araeoscelis and Squamata arch is the supratemporal, the anterior and outer one the squamosal; some, however, reverse these names, calling the posterior
