<prompt> Fragmented medullary hair are found inNegrosMongolsCaucasiansEuropeans  <response>: A i.e. Negro - Anteroposterior diameter i.e. length of skull is minimum in Brachycephaly4 sho headed and maximum in DolicocephalyQ. - The skull of Aryans Indians, Arborigines Negroes is dolico-cephalic, with cephalic index between 70 - 75Q. Radio humeral index is80 in blacks. Tibio femoral index is83 in Blacks. - Cephalic Index, Height Index Nasal Index are used for determination of raceQ - Mongols have maximum cephalic index 80 height index 75 with rounded nasal openings, orbits palateQ 