NO. l8 ANTHROPOLOGICAL Work IN PERU — HRDLICKA 63 



Osteoperiostitis adult 1 



whole shaft affected ; 

 bone light. 



" Mushroom head " humerus adult 1 



Specimens showing more than one lesion (included in the 

 above) : 



a. Head fractured and deformed, and shaft bent (nut 



rachitic). 



b. " Mushroom " head, and moderate arthritis lower joint. 



Special 



Number of adult bones with aperture in septum 123 = 21% 



Number of children bones with aperture in septum 4= 7% 



Total 127 



RADII 



Number of adult bones examined _ 255 



Number of children bones examined 32 



Total . . . .• .' 287 



Of these : 



Fractures adults 2 



both broken just above distal end. 



Dislocations o 



Arthritis adults 7 



3 moderate, upper joint. 



3 slight, upper joint. 



1 moderate, lower joint. 



Special 



In two, a pair, a congenital deformation of lower articular surface. 

 Combinations of lesions on same bone none 



ULN/E 



Number of adult bones examined 301 



Number of children bones examined 16 



Total 317 



Of these 



Fracture adults 2 



1 fracture of shaft. 

 1 of coronoid process. 



Dislocations o 



Arthritis adults 16 



9 slight, upper joint. 

 7 moderate, upper joint. 

 Combinations of lesions on same bone none 



