modern variation and evolutionary change in the hominin eye orbit
modern variation and evolutionary change in the hominin eye orbit
modern variation and evolutionary change in the hominin eye orbit
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LIST OF FIGURESFigurePageFigure 3.1: Map of regional groups compris<strong>in</strong>g <strong>the</strong> African, European, <strong>and</strong>Asian samples…………………………………………………………………………….39Figure 3.2: Comparison of <strong>in</strong>ter<strong>orbit</strong>al breadth <strong>and</strong> bi<strong>orbit</strong>al breadth (<strong>in</strong> millimeters)….44Figure 3.3: Among-group comparison of <strong>orbit</strong>al <strong>in</strong>dex.. ………………………….…….45Figure 3.4: Among-group comparison of <strong>orbit</strong>al height, <strong>orbit</strong>al breadth (mm)..………...46Figure 3.5: Among-group comparison of basion-superior <strong>orbit</strong>, basion-<strong>orbit</strong>ale (mm)…48Figure 3.6: Among-group comparison of <strong>orbit</strong>al depth (mm)….………………………..49Figure 3.7: Among-group comparison of <strong>orbit</strong>al frontation (angle <strong>in</strong> degrees)………....50Figure 3.8: Among-group comparison of <strong>orbit</strong>al volume (<strong>in</strong> milliliters)……………..….51Figure 3.9: Plot of <strong>in</strong>dividuals <strong>and</strong> group centroids along each discrim<strong>in</strong>ant axis ……...58Figure 3.10: Plot of <strong>in</strong>dividuals <strong>and</strong> group centroids along each discrim<strong>in</strong>ant axis……..66Figure 4.1: Grade shift <strong>in</strong> relative cranial size <strong>in</strong> <strong>the</strong> hom<strong>in</strong><strong>in</strong> l<strong>in</strong>eage…………………..76Figure 4.2: Grade shift <strong>in</strong> relative facial prognathism <strong>in</strong> <strong>the</strong> hom<strong>in</strong><strong>in</strong> l<strong>in</strong>eage (mm)…….76Figure 4.3: Comparison of <strong>orbit</strong>al shape: Australopi<strong>the</strong>cus africanus vs. Homo sapiens.83Figure 4.4: Image of Sh<strong>and</strong><strong>in</strong>gdong (Upper Cave) - From Brown (1998-2005)………...84Figure 5.1: Comparison of <strong>in</strong>ter<strong>orbit</strong>al breadth among European groups……………….90Figure 5.2: Comparison of <strong>orbit</strong>al frontation among European groups….………………91Figure 5.3: Comparison of <strong>orbit</strong>al depth among chimpanzees <strong>and</strong> European groups…...93xiii