OF THE MICMAC SKULL CAMERON. 7 



Antero-posterior diameter of foramen 



magnum 36 mm. 



Calvarial height 98.5 mm. 



Bregmatic angle 60° 



Spheno-maxillary angle 95° 



Spheno-ethmoiclal angle 157° 



Foramino-basal angle 146° 



Glabella-bregma chord 100. 5 mm. 



Maximum distance of chord from frontal 



cranial arc 20 mm. 



Bregma-lambda chord 109.5 mm. 



Maximum distance of chord from parietal 



cranial arc 26 mm. 



Lambda-inion chord 62 mm. 



Maximum distance of chord from occipital 



cranial arc 10 . 5 mm. 



Maximum depth of temporal fossa 24.5 mm. 



The Cranial Indices. 



Cephalic index 80 . 8 



Height index 73 . 09 



Breadth-height index ^0.5 



Alveolar index 100 



Orbital index 88 . 04 



Nasal index 50 . 



Maxillo-f acial index 47 . 03 



Stephano-zygomatic index 83 . 3 



Fronto-parietal index 71 .5 



Calvarial Height index 56 . 7 



Palato-maxillary index 112 . 1 



Dental index (approximate) 45 . 6 



The Horizontal Cranial Circumference. — This was measured 

 over the glabella, according to the plan of Turner/^) and prov- 

 ed to be 53.34 cm., which was practically the same as the 

 average for 108 male Scottish skulls, namely 5i3.1 cm., as 



