284 .MEMOIRS OF THE NATIONAL ACADEMY OF SCIENCES. 



VI. Zygomatic face index (after Kollmann). 1_ focifl1 height. calculated from the 



' Zygomatic breadth. 



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

 Low, chamseprosopic, face crania . . . .............................. to 90. 



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



VII. Zygomatic upper face-height index (after Kollmann). 1( ^ TII)I i . 1;u ; e llf ' 1 " ht - 



Zygomatir breadth. 



Chama3prosopic upper face with index . . .. ......................... to 50. 



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



VIII. Orbital index. lOOo^ height. 



Orbital width. 



Chamsekonchic .......................................... ....... . to 80. 



Mesokonchic .................................................... 80. 1 85 



Hypaikouchic ....................................... ..... ....... 85. 1 and over. 



IX. Nasal index. M^dthofnas^ivlty. 



Nasal height. 



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



Mesorrhinic ..................................................... 47. 1 51. 



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



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



, , T7 -. , 100 palate breadth. 



X. Palate index (after Virchow). 



Palate length. 



Leptostaphylin .................................................. to 80. 



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



Brachystaphylin ................................................ 85. 1 and over. 



