72 



LECTURE II. 



Names. 



Direction and Points determining the Measurement. 

 References to Vircbow and Welcker. 



Refer, 

 to the 

 figures 



DIAMETERS. 







Length. 



, 



10 



Breadth. 



. 



11 



Height. 



. 



12 



Least frontal breadth. 



. 



13 



GreatestfrontaJ breadth. 



. 



14 



Parietal breadth. 



Upper parietal diameter, Y. pj}.; W. ? 



15 



Occipital breadth. 



Occipital diameter, Virchow ? . 



16 



Orbital breadth. 



Lower frontal diameter, V., zz, W. ? 



17 



Zygomatic breadth. 



..•••• 



18 



Ethmoidal breadth. 



. . 



19 



RADII. 



All radii are taken from the meatus 

 auditorius. 





Frontal radius. 



Glabella, .... 



20 



Vertical radius. 



To anterior point of sagittal sutm'e. . 



21 



Parietal radius. 



- 



22 



Occipital radius. 



. 



23 



Pronto-nasal radius 



To nasal suture. 



24 



Maxillary radius 



To alveolar margin of the upper jaw. . 



25 



Horizontal plane 



Through the floor of the nasal cavity. 



H. 



