284 MEMOIRS OF THE NATIONAL ACADEMY OF SCIENCES. 



VI. Zygomatic face index (after Kollmann). ^Jf 101 ^ height calculated from the g Tea t e st 



Zygomatic breadth. 



distance between the zygomatic arches (No. 18) and facial height (No. 19), gives two grades : 

 Low, chamBeprosopio, face crania . . . .............................. to 90. 



High, leptoprosopic, face crania ................................. 90. 1 and above. 



,.,,., , ,,, TT ,, , 100 upper face height. 



VII. Zygomatic upper face-height index (after Kollmann). ,. 



Zygomatic breadth. 



Chainreprosopic upper face with index . . .. ......................... to 50. 



Leptoprosopic upper face with index .............................. 50. 1 and above. 



VIII. Orbital index. 1 orbital height. 



Orbital width. 



Chamrekonchic .......................................... ........ to 80. 



Mesokonchic .................................................... 80. 185 



Hypsikouchic ....................................... ............ 85. 1 and over. 



100 width of nasal cavity. 

 IX. Nasal index. 



Nasal height. 



Leptorrhinic ___ . ................................................ to 47. 



Mesorrhinic ..................................................... 47. 151. 



Platyrrhinic .................................................... 51. 158. 



Hyperplatyrrhinic ............................................. 58.1 and over. 



, f, ^ r . , 100 palate breadth. 



X. Palate index (after Virchow). 



Palate length. 



Loptostaphylin .................................................. to SO. 



Mesostaphylin ............ ................. 80. 185. 



Brachystaphyliu .......... . ..................................... 85. 1 and over. 



