STUDY OF BRAINS OF SIX EMINENT SCIENTISTS AND SCHOLARS. 



297 



Horizontal circumference 



Pre-auricular arc (52 per cent.) 



Post-auricular arc (48 per cent.) 



Frontal (sagittal) arc 



Parietal arc .... 



Occipital arc .... 



Total sagittal arc . 



Sagittal arc + foramen magnum + 



Nasion-inion arc 



Inion-opisthion arc. 



Lambda-inion arc . 



Auriculo-calvarial arc 



Auriculo-calvarial arc over bregma. 



Bi-auricular diameter + auricular-calvarial arc 



nasion-basion line 



52.8 

 27.4 

 25.4 

 13.0 

 12.7 

 12.0 

 37.7 

 51.8 

 33.5 

 4.2 

 7.8 

 34.0 

 32.0 

 47.7 



Measurements of Face. 



Facial width (between zygomatic- maxillary suture). . , . 12.2 cm. 

 Bi-zj'gomatic diameter . . . . . . . . .12.8 



Facial height ........... 



Nasion-alveon line . . . . . . . . . .5.8 



Nasal height ........... 4.8 



Nasal width 2.1 



Interorbital septum . . . . . . . . .2.0 



(or 21.5 per cent, of line between orbital ends of malo-frontal sutures) 



Orbital height 3.4 



Orbital width 4.0 



Orbital depth 4.5 



Maximum exterior width of superior alveolar arch. . . .5.7 



Between supraorbital foramina . . . . . . .56 



Between infraorbital foramina ....... 4.5 



Palate length ........... 4.0 



Palate width 3.9 



Between mental foramina . . . . . . . .4.6 



Facial angle (Cloquet) 80° 



Facial angle (Jacquart) 78° 



Indices 



Cranial index (L. : B. ) . 



Length : height 



Breadth : height 



Length : nasion-basion line 



Index of occipital projection 



Frontal index 



Parietal index 



Occipital index 



Nasal index . 



Orbital index . 



Palatine index 



A. P. S.— XXI. 00. 8, 11, 



77.6 

 71.9 

 9.5.1 

 54.2 

 50.5 

 34.5 

 33.6 

 31.9 

 43.7 

 85.0 

 97.5 



07. 



