. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. 580 Mr. D. M. S. Watson on some The splenial is a narrow strip of bone lying on the inner side of tlie dentary and having a relatively large symphysis. The coronoid is a large thin film of bone tightly ])ressed onto the inner side of the dentary and overlapping the snr- angular and prearticiilar at the back. It is remarkably siniihir to the corresponding bone in Sci/mnosuchiis. The snraiigular is a narrow sheet of bone whose outer surface is largely covered by the angular and
. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. 580 Mr. D. M. S. Watson on some The splenial is a narrow strip of bone lying on the inner side of tlie dentary and having a relatively large symphysis. The coronoid is a large thin film of bone tightly ])ressed onto the inner side of the dentary and overlapping the snr- angular and prearticiilar at the back. It is remarkably siniihir to the corresponding bone in Sci/mnosuchiis. The snraiigular is a narrow sheet of bone whose outer surface is largely covered by the angular and dentary ; its 1'i"-. 4,. Left ramus of lower jaw of Cinwjiyinthvs c7-ateronottis, iiiuer aspect, K liiglit ramus of the same jaw, outer aspect. Teeth omitted. X i inner face must be applied to the articular, but in no specimen is the suture between the two bones visible. Tlie angular is a plate of bone thickened below and covering a large part, of the outer face of the surangular ; its lower border has the usual notch placed very far forward and pro^ vided with a vestigial reflected lamina, not completely pre-t served in Cynognathus, but very well shown in iJiademodon. The articular is a small bone almost completely surrounded. 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 London, Taylor and Francis, Ltd
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