The average volume of the normal adult cranium is about 1,500 cubic centimetres: mesocephalic cranium.
The Bossonians are of medium height and complexion, their eyes brown or grey, and they are mesocephalic.
They are brachycephalic with a cephalic index between 82 and 85; one was mesocephalic with an index of 78.
The Pawnees and Kiowas are tall and mesocephalic, with a tendency towards brachycephaly.
Broca's "Kymric" skulls are mesocephalic; this he attributes to crossing with the short round-heads.
mesocephalic mes·o·ce·phal·ic (měz'ō-sə-fāl'ĭk, měs'-)
Having a head of medium breadth, with a cephalic index between 76 and 80.