. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Fig. 29. Anterior aspect of right, A, fibula and B, tibia. C, proximal end of tibia. X 1. proximal end is nearly twice as wide as the shank. The lateral side is nearly straight but the medial side curves outward broadly between the two ends. Pes. The tibiale (Fig. 30) is nearly rectangular in outline with the long dimension placed parallel to the axis of the foot. The anterior, posterior, and the lower portion of the lateral surface are finished bone and the other surfaces were finished in cartilage. At the dorso-mesi
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. Fig. 29. Anterior aspect of right, A, fibula and B, tibia. C, proximal end of tibia. X 1. proximal end is nearly twice as wide as the shank. The lateral side is nearly straight but the medial side curves outward broadly between the two ends. Pes. The tibiale (Fig. 30) is nearly rectangular in outline with the long dimension placed parallel to the axis of the foot. The anterior, posterior, and the lower portion of the lateral surface are finished bone and the other surfaces were finished in cartilage. At the dorso-mesial angle the bone is expanded both anteriorly and posteriorly so that the tibia would articulate across this angle. This condition of the tibiale foreshadows that in the pelycosaurs. The intermedium is a flat quadrangular bone, a little thinner in the middle than on its edges. All of the working surfaces were finished in cartilage. I do not find the well formed notches on the dorsal and ven- tral edges which Watson (1918) describes, but this may be due to the difference in age of the two 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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