0.21 R. F.D. S. Lamb O. T. Mason J. Owen Dorsey W. A. Croffut J. L. Wortman, Notes and News, American Anthropologist, 1889.

{ skull teeth index head }	0.21
{ dr american museum mr }	0.19
{ fact point evidence anthropologist }	0.13
{ man primitive human great }	0.09