They were greatest length of skull (GLS), condylobasal length (CBL), zygomatic breadth (ZB), least postorbital constriction (POC), least interorbital constriction (IOC), mastoid breadth (MB), greatest alveolar breadth across upper molars (ABTR); alveolar length of maxillary toothrow (MAXTR), depth of skull (DS)--taken with skull on microscope slide to topmost point of cranium, then subtracting depth of the slide, and alveolar length of mandibular toothrow (MANTR).
Variable Age group 1 Males Females Unique Cumulative Unique Cumulative variance variance variance variance CBL 38.9 38.9 44.3 44.3 ZB 15.7 54.7 16.9 61.2 POC 11.3 66.0 11.9 73.1 IOC 8.8 74.8 7.7 80.8 MB 7.2 82.0 6.3 87.1 ABTR 5.2 87.2 5.6 92.7 MAXTR 5.0 92.1 2.8 95.5 DS 3.6 95.8 2.1 97.6 MANTR 3.6 100.0 0.9 100.0 Variable Age group 2 Males Females Unique Cumulative Unique Cumulative variance variance variance variance CBL 41.3 41.3 41.1 41.1 ZB 22.4 63.7 18.9 60.0 POC 16.5 80.2 10.6 70.6 IOC 9.1 89.3 9.6 80.2 MB 6.3 95.6 7.0 87.2 ABTR 3.6 99.2 5.2 92.9 MAXTR 1.0 100.0 3.4 96.3 DS 0.4 100.0 2.1 98.4 MANTR 0.8 100.0 0.7 100.0