| Multiple regression of biface count on population and site count is questionable because of sample size and the rather wide dispersion of cases evident in crossplots. |
| This Solutrean biface was found during excavation in the early 1900's in a rock shelter called Le Ruth. |
| One twelve-year-old was buried with a range of grave goods including a stone biface, bone awls, a shark's tooth, and barbed bone points. |
| For example the Stone Age hand-axe, the Acheulean biface, used by our ancestors 500,000 years ago, had been in use unchanged for more than a million years. |
| The second yielded a single Middle to Late Woodland Greenville hafted biface, and the third yielded no artifacts. |
| If rather more equivocally, population Class 4 and biface Classes 2 and 3 show similar patterns. |
