. The brain in hominid evolution. Human evolution; Brain; Fossil hominids. CMS Figure 14: Inner aspect of the two parietal bones of the type specimen of Homo habilis (Olduvai hominid 7). Their measurements show that they are bigger than those of any australopithecine parietal bones yet dis- covered. the new specimens, they were loosely spoken of as pre-Zinjanthropus. This term was used only in the sense that the type specimen came from a slightly lower level in the deposit; it was never intended that the specimen be regarded as a form ancestral to Old. Horn. 5, although some people did interpr
. The brain in hominid evolution. Human evolution; Brain; Fossil hominids. CMS Figure 14: Inner aspect of the two parietal bones of the type specimen of Homo habilis (Olduvai hominid 7). Their measurements show that they are bigger than those of any australopithecine parietal bones yet dis- covered. the new specimens, they were loosely spoken of as pre-Zinjanthropus. This term was used only in the sense that the type specimen came from a slightly lower level in the deposit; it was never intended that the specimen be regarded as a form ancestral to Old. Horn. 5, although some people did interpret this rather unfortunate nickname in that way. Later it was formally named Homo habilis, and its catalogue number is Old. Horn. 7. Leakey (1961) pointed out that the parietals of Old. Horn. 7 were larger than those of the robust australopithecine of Olduvai; indeed they were patently larger than the parietal bones of any australopithecine yet discovered (Tobias 1966a). Thus, the sagittal arc from bregma to lambda measures 105 mm., whereas those of 5 australopithecines range from to mm. The squamosal arc from pterion to asterion is mm. in H. habilis (type specimen) but ranges from to mm. in austra- lopithecine crania. The coronal edge, although not perfectly preserved, 61 K. 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 Tobias, Phillip V. New York : Columbia University Press
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